Biol Final

25 July 2022
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question
True/False: According to the UN's Convention on Biological Diversity, biodiversity is defined as the variety of life on Earth and the natural patterns it forms.
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True
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True/Fale: Florida is considered to be a biodiversity hot spot in the United States.
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True
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How many terrestrial vertebrates are estimated to reside in Florida?
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700
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How many plant species are endemic (unique/native) to Florida?
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295
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According to the Florida Fish & Wildlife Commission, how many species in Florida are currently listed as threatened or endangered?
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131 species
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Which of the following has contributed to biodiversity loss in Florida?
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all of the above
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______________ ______________ is caused by the over abundance of human-generated greenhouse gases in the atmosphere, primarily carbon dioxide.
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Climate Change
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True or False: Increased greenhouse gases in the atmosphere can cause changes in air and water temperature, freshwater availability, salt water intrusion, and ocean acidification.
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True
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Which of the following is not associated with higher water temperatures in Florida?
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pine beetle outbreaks
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How many scientific papers have been published on the topic of climate change and biodiversity?
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15,000
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Under _________ ___________, over 1,000 species have been documented moving towards the poles at an average rate of 6.1km per decade.
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Warming Temperatures
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True/False: Environmental changes due to climate change do not cause changes in species distributions.
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False
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Which of the following characteristics can elevate a specie's extinction risk from climate change?
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All of the above
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Which trait may give a species a better chance for evolutionary adaptation?
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Short generation times
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True/False: Roughly a million species are thought to be at risk of extinction due to climate change.
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True
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True/False: Florida is considered to have a low number of species at risk due to climate change.
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False
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What is the third step in developing an active adaptive management program?
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Implementation and monitoring
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List the four core strategies that are suggested for promoting biodiversity in the face of global climate change. Note: Type these as they appear in the document.
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Answer 1:Protection of high quality habitat Answer 2:Increasing species migration corridors Answer 3:Assisted migration Answer 4:Reduce other anthropogenic threats
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True/False: Changing patterns in climate are altering environmental cues that many species use to determine the timing of life cycle events.
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True
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The Florida State Park System contributes how much money annually to the economy through activities such as hiking and nature viewing?
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$1 billion
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Sponges can be found in both marine and freshwater environments.
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True
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You are snorkeling off the coast of Florida, and you come across a large calcified structure covered by small cnidarian polyps. To which group do these organisms belong?
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Class Anthozoa
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Trace the path of food from entering this medusa's body to the elimination of undigested material.
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3, 2, 3
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All fungi are passive-feeding saprophytes.
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False
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Stinging cells in Cnidarians are called ____________.
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cnidocytes
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Which of the following statements regarding yeasts is inaccurate?
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They are a monophyletic group.
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Members of Kingdom Fungi are most closely related to which other group of eukaryotes?
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Kingdom Animalia
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Are fungi unicellular or multicellular?
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They can be either of the two
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The phylum of Radiata you will be observing today are the _______.
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Cnidaria
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The structure that allows a tapeworm to attach to its host is called a corona.
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False
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A larval stage particular to the Lophotrochozoa is called a ____________.
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trochophore
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Rotifers have a _________ that looks like a rotating wheel and is used to propel the animal through the water and move food particles toward the mouth.
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corona
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Which of the following statements regarding tapeworm feeding is accurate?
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They absorb nutrients across their body wall.
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Which of the following is one way in which members of Phylum Annelida differ from most members of Phylum Mollusca?
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Annelids have a closed circulatory system.
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Which of the following characteristics applies to all members of Phylum Mollusca?
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Mantle
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Members of Phylum Rotifera are single-celled organisms.
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False
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The part of a mollusk's body that secretes the shell is called the mantle.
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True
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Which of the below is a subgroup of the clade Bilateria? More than one answer is possible.
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Protostomes Deuterostomes
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Members of phylum Annelida have a closed circulatory system and a complete digestive system.
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True
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Which of the below animals is the least related to the others, evolutionarily?
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Beetle
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Which of the following is a characteristic of development in Clade Protostomia, but not development in Clade Deuterostomia?
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The blastopore becomes the mouth
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Which of the following is true of both members of Phylum Nematoda and Phylum Cnidaria?
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Neither group possesses a respiratory system.
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Which trait would best indicate that a particular arthropod was a member of Subphylum Chelicerata?
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Two body segments
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Select all of the characteristics that apply to members of Phylum Arthropoda.
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-Open circulatory system -Segmentation -Nervous system centralized in head region -Three tissue layers
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Which of the below should not be included in the Arachnid group?
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beetle
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Which choice below is the correct phylogenetic order from largest, most inclusive group to smallest, most exclusive group?
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Protostomia > Ecdysozoa > Arthopoda > Insects
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The body regions of arthropods are called _________.
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tagmata
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Millipedes have two pairs of legs per segment while centipedes have only one pair of legs per segment.
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True
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The process that forms the gut in early animal development is called ________.
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gastrulation
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Which two of the following animals are most closely related to each other?
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2 & 4
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The group Tetrapoda includes which of the following? More than one answer is possible.
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frogs snakes birds humans
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Lancelets are the only extant group of cephalochordates.
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True
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Which statement best describes symmetry in members of Phylum Echinodermata?
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Echinoderms evolved from bilateral ancestors, but now display pentaradial symmetry as adults.
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Members of the class Chondrichthyes have a bony endoskeleton.
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False
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Which group in Subphylum Vertebrata is most closely related to Class Amphibia?
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Mammals
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Which of the following is NOT true regarding Echinoderms?
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They can perform ecdysis.
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Which structure is lacking in members of Phylum Echinodermata?
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Calcareous skeleton
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Tunicate larvae are asymmetrical while the adults are bilaterally symmetrical.
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False
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Which of the following are birds most closely related to?
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crocodilians
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These feathery structures, called ____________, in the crayfish are located under the carapace and attached to the walking legs. They allow the crayfish to take in oxygen from the water.
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Gills
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What is this organism?
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Centipede
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Which of the following is not a unique feature of Horseshoe crab blood?
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The blood is toxic to predators
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Label A is pointing to a dark tube in the abdomen of the crayfish. This structure is often incorrectly referred to as a "vein" but is actually the ____________________________.
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Intestine
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Spiders, ticks, mites and scorpions all belong to the class ______________________.
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Arachnida
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The term arthropod translates to :
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jointed feet
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Why are beneficial nematodes considered "beneficial" to humans?
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They can be used as a non-toxic form of pest control.
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Label C is pointing to the ______________________ which pumps oxygenated hemolypmh (blood) out to into the body.
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Heart
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Chelicerates have bodies that consist of two main segments (tagmata), called the _______________________________ and the ________________________________________-.
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cephlathorax, abdomen
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Which of the following is not true regarding crayfish anatomy?
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The cephlathorax is made of 6 segments while the abdomen is made of 13 segments.
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The ability to undergo ecdysis provides many benefits for ecdysozoans. Which of the following is not a benefit of ecdysis?
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Allows the organism to repair or regenerate damaged limbs
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This organism is a _____________________________. They are extinct now but once dominated the oceans over 500 million years ago.
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trilobite
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Label A is pointing to the ___________________________ while Label B is pointing to the ________________________________.
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chelicerae, pedipalps
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Many members of the Ecdysozoans perform ________________ which is the shedding or molting of skin or the outer cuticle.
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ecdysis
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Which crayfish is female?
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B
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Horseshoe crabs, arachnids and pycnogonids ( sea spiders) belong to the Subphylum ___________________________.
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Chelicerata
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The grasshopper has small holes in the abdomen called spiracles. These are used for ___________________________________.
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Respiration
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What are the main differences between arachnids and insects?
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Arachnids have two body regions and eight legs while insects have three body regions and six legs.
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Which Horseshoe crab is male?
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A
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The small body size of insects contributes to their success. Which of the following is not a benefit of having a small body?
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The small body size makes them resistant to bacterial and viral infections.