1) What is a scientist who studies animals called? a) dentist b) zoologist c) botanist d) cytologist e) physicist f) doctor 2) About what percent of animal species are invertebrates? a) 97% b) 1% c) 50% d) 69% e) 37% f) 3% 3) Which class of vertebrates absorb oxygen by using gills? a) reptile b) mammal c) bird d) fish e) human 4) What class of vertebrates has young that are born live? a) fish b) amphibian c) mammal d) bird 5) Which 2 classes of vertebrate are homeotherms because their body temperatures remain constant? a) fish & birds b) mammals & amphibians c) birds & mammals d) amphibians & reptiles 6) Which class of vertebrates have organisms that go through metamorphosis during their life cycles? a) mammals b) reptiles c) amphibians d) birds 7) Which word best describes a dog? a) reptile b) amphibian c) vertebrate d) invertebrate 8) Which class of vertebrate have dry, scaly skin? a) mammals b) amphibians c) bird d) reptiles e) fish 9) Which class of vertebrate have skin with feathers? a) mammals b) reptiles c) birds d) fish e) amphibians 10) Which class of vertebrate have moist, smooth skin? a) mammals b) amphibians c) bird d) reptiles e) fish 11) Which class of vertebrate have skin with hair? a) reptile b) amphibian c) bird d) fish e) mammals 12) Which class of vertebrate have skin with scales? a) reptile b) amphibian c) bird d) fish e) mammals 13) Another name for a vertebrate's spine a) cranium b) vertebral column c) larva d) endoskeleton 14) An animal with a relatively constant temperature a) spinal cord b) larva c) homeotherm d) metamorphosis e) poikilotherm 15) An animal whose body temperature changes with its surroundings a) larva b) poikilotherm c) homeotherm d) metamorphosis e) cranium 16) The skeleton of a vertebrate a) endoskeleton b) spinal cord c) cranium d) vertebral column e) invertebrate 17) Carries messages to and from the brain a) endoskeleton b) spinal cord c) larva d) cranium e) invertebrate 18) A change of body form during an animal's lifecycle a) spinal cord b) metamorphosis c) cranium d) poililotherm e) homeotherm 19) The young of an amphibian a) larva b) cranium c) spinal cord d) invertebrate e) endoskeleton 20) An animal that does not have a vertebral column a) invertebrate b) spinal column c) larva d) endoskeleton e) cranium 21) Bones of a vertebrate skull that cover and protect the brain a) cranium b) invertebrate c) endoskeleton d) vertebral column e) spinal cord

Zoology Vertebrate study guide

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