WIS2040: Exercise 4

24 July 2022
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question
At least 10 species of ___ have been introduced to New Zealand for recreational hunting.
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Deer
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Eggshell thinning was a problem for the ___ during the 1950s and 1960s.
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Peregrine Falcon
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___ is the chemical once used by Florida tomato growers that has been found to be harmful to the ozone layer.
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Methyl bromide
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Fisheries in the Aral Sea collapsed due to ___.
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Water extraction for farming
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Presently ___% of BLM managed lands are grazed by privately owned herds of livestock.
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90
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The blackbuck antelope is native to ___.
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India
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The US public owns about ___ acres of rangelands in the 11 western states.
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260 million
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Native Americans in the Yellowstone region oppose the harvest of buffalo that stray from YNP.
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True
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Blackbuck Antelope are now established in the wild in the state of ___.
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Texas
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Cattle growers in Montana fear that wild bison might transmit ___ to their cattle.
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Brucellosis
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___% of western public rangelands are managed by the BLM and US Forest Service.
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85
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Water with no dissolved oxygen at all is called ___.
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anoxic
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The ___ Protocol signed by the Reagan Administration banned the production of Methyl bromide.
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Montreal
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Environmental problems from chemicals used in farming are limited to pesticides.
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False
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Chronic Wasting Disease is a growing problem in the ___ herd of the western US.
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mule deer
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The ___ is a native bird species that apparently can coexist with ranching in south Florida.
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Crested Caracara
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Of the big game species in the west, the ___ are most likely to compete with cattle and sheep.
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deer
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___ is a disease of domestic sheep and possibly wild bighorn sheep.
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Pasturella
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The ___ is a bird on the big island of Hawaii that was negatively impacted by grazing.
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Palila
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The Dead Zone is a region of ___ water.
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hypoxic
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The bare ground that comes from overgrazing can ___.
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favor the invasion of nonindigenous plants
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In the late 1990s the Dead Zone was roughly the size of ___.
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New Jersey
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___is a wildlife species that has increased due to the effects of farming.
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All of these
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Species that require dissolved ___ cannot live in the Dead Zone.
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oxygen
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In Thailand, some people want to ranch ___ for their body parts.
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tigers
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Spontaneous miscarriages can result from ___ infections in domestic cattle.
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Brucellosis
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The Montana Department of Livestock wants all wild bison that enter Montana from YNP to be ___.
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shot
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Selenium poisoning is a problem for water birds especially in farming areas of ___.
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California
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The so-called Dead Zone in the Gulf of Mexico is the result of runoff of ___.
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fertilizer
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Publicly owned range lands are mostly managed by the BLM and the ___.
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US Forest Service
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Bioaccumulation, as once seen in Peregrine Falcons, is the negative effect caused by ___.
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pesticides
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___ are commercially harvested in South America for their skins.
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Tegus
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Fitzgerald claims in her book that ___ live snakes were imported to the US in 1985.
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160,000
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Fitzgerald reported in her book that $___ of snake products were imported to the US in 1985.
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105 million
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The ___ taken from bears are used in several medications in TCM.
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gall bladders
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Fish and other ocean species are not as important source of food or money for any of today's societies.
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False
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Aquaculture is good because it has not effect on wild fisheries.
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False
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According to Safina the world fish harvest peaked in 1989 at about ___ metric tons.
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80 million
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___ are most often traded for meat in southeast Asia.
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freshwater turtles
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Introduced ___ are harvested commercially in Australia.
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water buffalo
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Argentina manages ___ harvest by forcing hunters to sell the skins to tanneries.
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tegu
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As of the mid-1980s ___ was the nation that imported the highest number of sea turtles.
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Japan
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Tortoises are traded heavily as people desire them for use as ___.
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pets
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___ of the following is an example of a finfish.
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seahorse
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Rhino urine and dried seahorses are thought by some to be cures for ___.
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asthma
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Safina wrote a Scientific American article in which he argued that in the 1990s people in the northeastern states shifted from catching cod and haddock and hake to ___.
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skates and dogfish
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___ is (are) commonly sold as a cancer preventative agent.
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shark cartilage
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___ skins from Asia are fashioned into cowboy boots in the US.
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snake
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Because of the bushmeat industry various species of ___ are particularly in jeopardy.
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primates
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The ___ are an example of an introduced species that is harvested commercially in Argentina.
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European hare
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Kangaroos are harvested commercially by professional shooters because they ___.
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compete with sheep
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Bushmeat refers to meat from animals generally harvested in ___.
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the tropics
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Pouches made from kangaroo ___ are a common knickknack available in markets in Australia.
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scrotums
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Wildlife trade is considered illegal in the US if ___.
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it violates US law
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In ___, voters in Florida passed the net ban.
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1994
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Introduced ___ are harvested in Argentina for human food.
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European hares
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Over-collecting is a danger for populations of certain ___ in the southwestern US.
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snakes
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___ on (with) native species is not a negative impact of nonindigenous species.
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mutualism
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Introduced Lake Trout in lake Yellowstone may grow to ___ lbs in weight.
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40+
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The introduced ___ in south Florida may disrupt native food webs and compete with wading birds.
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Asian swamp eel
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Richard Warner found that native Hawaiian birds didn't become afflicted with malaria until after the introduction of ___.
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mosquitos
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___ is a potential cause of chains of extinctions.
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deforestation
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Asian swamp eels are good invaders in Florida as they can ___.
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survive in shallow water
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The so-called Dirty Dozen is a list prepared by ___.
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the Nature Conservancy
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Along with Florida, ___ is the state with the most NIS.
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Hawaii
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One problem with introduced lake trout in Lake Yellowstone is that they ___.
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eat native trout
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Cutthroat trout lay their eggs in ___.
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tributaries
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Snakeheads in Florida were found to feed chiefly on ___.
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crayfish
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___ are thought to suffer seriously from predation by Green Crabs.
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shellfish
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___ is an animal species that is not a member of the Dirty Dozen.
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Red Imported Fire Ant
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The ___ introduced to Guam has just about exterminated the native bird species there.
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brown tree snake
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In addition to the southeastern US the Rosy Wolfsnail has been introduced to ___.
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french polynesia
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Common Mynas are indigenous to ___.
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Asia
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The flathead catfish is native to ___.
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the central US
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The Dirty Dozen includes ___ plant and ___ animal species
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6 : 6
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___species of snakeheads have been introduced into Florida.
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3
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Professor Steve Humphrey, Director of the School of Natural Resources and Environment at UF, found that ___ competed for food with native Florida beach mice.
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house mice
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Some species of birds have been introduced to the Hawaiian islands by US military personnel.
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True
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Rosy Wolfsnails were introduced to Hawaii ___.
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for biological control of another species
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The ___ invaded the island of Guam at the end of WWII.
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brown tree snakes
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Atkinson argued that ___ were responsible for the demise of native Hawaiian forest birds.
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rats
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Ian Atkinson of New Zealand showed that native Hawaiian forest birds suffered many extinctions following ___.
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construction of deep water wharves
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___ were released on St. Catherine's Island off the coast of Georgia.
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Lion-tailed Macaques
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The green crab was introduced to the US from ___.
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Europe
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Another example of competition between native and nonindigenous species involves ___ and introduced birds.
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Hawaiian forest birds
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___ is not one of the reasons listed for Florida being a favorable spot introduced species.
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High summer temperatures
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___, introduced to Lake Yellowstone are fears to have a very negative effect on the native population of grizzly bears.
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lake trout
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A ___ of the following would be an example of a tertiary consumer.
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wolf
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In the process of aerobic respiration ___ are broken down to form CO2 and water.
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simple sugars
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Sulfur dioxide is found in the ___.
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atmosphere
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In Elton's pyramid scheme for representing trophic levels in a community, the size of each box represented the ___ at a trophic level.
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amount of biomass
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The main molecule in forming acid rain is ___ acid
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sulfuric
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___ is a gas that has a rotten egg smell.
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hydrogen sulfide
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The movement of water through plants is called ___.
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transpiration
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Carbon fixation occurs typically in ___.
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plants
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Sulfur dioxide is released when ___ is burned.
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coal
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The breakdown of animal and plant amino acids by bacteria is called ___.
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ammonification
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The ___ cycle is an example of a sedimentary cycle.
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phosphorus
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The conversion of nitrates into nitrogen gas is called ___.
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denitrification
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___ is the sixth important element in forming the molecules of life in addition to the element of carbon, hydrogen, oxygen, nitrogen, and phosphorus.
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sulfur
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Almost all the sulfur dioxide in the atmosphere is formed by ___.
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human activities
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___ is the element not found in amino acids or proteins.
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phosphorus
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The ___ refers to the earth's crust.
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lithosphere
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The main difference between the sulfur and phosphorus cycles is that the sulfur cycle ___.
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has an atmospheric component
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Plants store simple sugars as ___.
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starch
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The ___ cycle has no atmospheric component.
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phosphorus
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Some authors claim that ecological efficiencies between trophic levels are roughly ___.
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10%
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Nitrogen fixation refers to the conversion of N2 into ___.
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ammonia
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___ is the process in which carbon fixation occurs.
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Photosynthesis
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Some species of bacteria convert ammonia to nitrites and others convert it to nitrates in the process called ___.
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nitrification
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Glycogen is storage molecule for simple sugars characteristically found in ___.
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animals
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Primary consumers are ___ that eat ___.
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animals : plants
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Denitrification occurs in the absence of ___.
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oxygen
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Alligators in Lake Apopka have been found with atypical hormone levels and other reproductive abnormalities, which are thought to be the result of ___.
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environmental contamination
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Florida scrub is a pyrogenic system, which means the plants and animals living there are ___ adapted.
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fire
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Florida freshwater springs are artesian, which means that the ___.
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water flows naturally to the surface
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The squeaky sugar sand on Florida's panhandle beaches is composed primarily of ___.
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quartz
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Fires of catastrophic level get everyone's attention, but most wild fires are ___ acres or less in size.
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50
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Restoration of the Everglades ecosystem will depend mostly on ___.
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reducing phosphorus levels
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Red mangrove is easily recognized by its ___.
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prop roots
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In Florida, temperate hardwood forests are often called ___.
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hammocks
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As the diet of these birds is mostly fish, it is thus not surprising to find ___ around Florida's lakes and rivers.
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ospreys
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Endemic species are those that ___.
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occur only where they evolved
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Fox squirrels, typically inhabit ___ in Florida.
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high pine sandhills
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The two principal species of salt marsh plants in Florida are ___ and ___.
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smooth cordgrass and black needlerush
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Florida's beaches are the most important nesting sites of the ___ turtle in its New World range.
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loggerhead
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Flying squirrels, common inhabitants of temperate hardwood forests, are unusual in that they are the only ___ squirrel.
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nocturnal
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Almost 90% of Florida's dry prairies have been converted to ___.
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cattle pastures
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The dominant factor in structuring many of Florida's upland communities is ___.
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fire frequency
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Mortality rate of young alligators is about ___ percent during the first 2 years of life.
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80
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A keystone species is defined as one ___.
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whose ecological importance to other species is greater than would be predicted based only on its abundance
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Most of Florida's 8,000 lakes are ___.
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small
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Dry soils are said to be ___.
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xeric
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The ___ is a species of lizard that occurs only in Florida scrub.
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Sand skink
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Bald eagle and osprey populations in Florida and elsewhere have recovered dramatically since the ban on ___ was implemented.
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DDT
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Florida has more than ___ rivers.
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1700
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Restoration of the Everglades ecosystem will depend on ___.
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restoring historic water flow
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Mangroves are tropical trees but the ___ mangrove is the most cold tolerant and occurs farther north than the other two species.
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black
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Mesic is a term used to describe ___ soil.
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wet or damp
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Significant areas of salt marsh habitat in Florida are eventually likely to be lost ___.
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global warming
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Cooperative breeding is a trait seen in the ___.
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Florida scrub jay
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The burrows of gopher tortoises are used by the ___ as a refuge from predators and harsh environmental conditions.
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both of these
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American crocodiles superficially resemble American alligators, but the crocodile can be distinguished by its ___.
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narrower snout
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Florida scrub jay commonly bury ___ in open sandy areas.
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acorns
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Several subspecies of recently extinct and endangered ___ lived or are still found on sand dunes along Florida's beaches.
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beach mice
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The large rivers in Florida are home to the ___, which is the largest freshwater turtle in the world.
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alligator snapping turtle
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Black mangrove is easily recognized by its ___.
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pneumatophores
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As nesting sites for birds have disappeared from Florida's beaches some species such as least terns have taken to nesting on ___.
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buildings with gravel rooftops
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Pelican Island National Wildlife Refuge is located just off the east coast of Florida in the Indian River Aquatic Reserve. While it is a breeding site for pelicans, it is also important because it is the ___.
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first national wildlife refuge in the USA
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___ pelicans are strictly surface feeders that don't plunge-dive to capture food.
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white
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The ___ is the dominant tree in many of Florida's freshwater swamps.
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cypress
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The length of time that wetland soils are saturated or flooded is called the ___.
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hydroperiod
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Sand dunes in Florida tend to be higher on the east coast than the west coast because the dunes on the east coast ___.
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face the prevailing winds
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Dry prairies in Florida are the only habitat that supports ___.
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grasshopper sparrows
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While at the local beach you see ___ pelicans capturing fish by plunge-diving.
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brown
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Florida's scrub ecosystem is dependent on ___ fires.
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infrequent
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The number of people killed by alligators in Florida since the early 1940s is ___.
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13
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Least bitterns, clapper rails, and Cape Sable seaside sparrows are bird species commonly associated with ___.
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salt marshes
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Florida's 'blackwater' rivers owe their dark color to ___ in the water.
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tannins
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Marshes are like swamps except they have ___.
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no trees
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Species that spend most of their lives underground to escape harsh surface conditions are said to be ___.
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fossorial
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Florida's scrub ecosystem is characterized by ___ soils.
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sterile
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Florida's scrub ecosystem is characterized by ___ plant species.
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many endemic
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Sea turtle hatchlings are disoriented by ___.
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skyshine
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The single most widespread upland ecosystem in Florida is ___.
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pine flatwoods
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Florida's springs are important places for manatees in the winter because the springs provide ___.
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warm-water refuge
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Florida's peninsula is built on an underlying geologic formation consisting largely of ___.
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limestone
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Many of the plant species in the tropical hardwood forest ecosystem of southern Florida originated in ___.
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the West Indies
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Dry prairies in Florida are the primary habitat for ___.
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Northern caracaras
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The ___ is a common venomous snake in Florida's wetlands.
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cottonmouth
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As one proceeds down the peninsula from north to south in Florida the biodiversity of mammals, birds, and reptiles and amphibians ___.
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decreases
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Forested wetlands are called ___.
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swamps