Wildlife Issues Readings 2-3

25 July 2022
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Endemic species are those that
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occur only where they evolved.
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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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Florida scrub jays commonly bury ----- in open sandy areas.
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acorns
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Most of Florida's 8,000 lakes are -----.
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small
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Mortality rate of young alligators is about ---- during the first 2 years of life.
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80%
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The ----------- is a common venomous snake in the Florida's wetlands.
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cottonmouth
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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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Marshes are like swamps except they have
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no trees
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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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American crocodiles superficially resemble American alligators, but the crocodile can be distinguished by its --------------.
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narrower snout
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The dominant factor is structuring many of Florida's upland communities is ---------.
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fire frequency.
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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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Dry soils are said to be -----.
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xeric
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As one proceeds down the peninsula from north and south in Florida the biodiversity of mammals, birds, reptiles and amphibians --------.
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decreases
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Sea turtle hatchlings are disoriented by --------.
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skyshine
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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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Pelican Island National Wildlife Refuge is the ---------------.
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first national wildlife refuge in the USA.
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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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Red mangrove is easily recognized by its ------.
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prop roots
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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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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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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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In Florida, temperate hardwood forests are often called ----------.
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Hammocks
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Florida's springs are important places for manatees in the winter because the springs provide a --------------.
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warm water refuge
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The number of people killed by alligators in Florida since the early 1940's is ----.
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13
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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 two principal species of salt marsh plants in Florida are ---------------.
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smooth cordgrass and black needlebrush
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Black mangrove is easily recognized by its
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pneumatophores
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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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Florida's peninsula is built on an underlying geological formation consisting largely of ---------.
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limestone
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----- pelicans are strictly surface feeders that do not plunge-dive to capture food.
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White
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Cooperative breeding is a trait seen in the -----------.
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Florida scrub jay.
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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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Florida's scrub ecosystem is characterized by ------ soils.
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sterile
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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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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 rooftop
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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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The burrows of gopher tortoises are used by the ------------- as a refuge from predators and harsh environmental conditions.
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Florida mouse and gopher frog
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The ------ is a species of lizard that occurs only in the Florida scrub.
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sand skink
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Dry prairies in Florida are the primary habitat for --------.
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northern caracaras
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Sand dunes in Florida tend to be higher on the east coast then the west because the dunes on the east coast -----------.
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face the prevailing winds.
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Fox squirrels, typically inhabit ---------- in Florida.
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high pine sandhills
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Significant areas of salt marsh habitat in Florida are eventually likely to be lost in ----------.
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global warming
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Forested wetlands are called --------.
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swamps.
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The single most widespread upland ecosystem in Florida is ----------.
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pine flatwoods
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Florida has more than ------ rivers.
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1700
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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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Florida's scrub ecosystem is characterized by ------- plant species.
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many epidemic
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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 freshwater springs are artesian, which means that -----------
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water flows naturally to the surface
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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 'squeaky' sugar sand on Florida's panhandle beaches is composed primarily of -----.
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quartz
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Florida's scrub ecosystem is dependent of ------- fires.
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infrequent
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Dry prairies in Florida are they only habitat that supports ------------.
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grasshopper sparrows
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Mesic is a term used to describe ------ soil
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wet or damp
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Florida's beaches are the most important nesting sites of the ------- turtle.
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loggerhead
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Restoration of the Everglades ecosystem will depend mostly on ----------.
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reducing phosphorus levels.