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Life Sci - Chap 16

QuestionAnswer
vertebrate animal that has a backbone
endotherm animal that can use body heat from chemical reactions in the body's cells to maintain a constant body temperature
ectotherm organism that needs sources of heat outside itself
lateral line faint line visible on both sides of a fish's body that runs the length of the body and marks the location of sense organs that detect vibrations in the water
gill respiratory organ where oxygen from the water is exchanged with carbon dioxide from the blood (fish)
swim bladder in bony fishes, a gas-filled sac that is used to control buoyancy; also known as gas bladder
lung respiratory organ where oxygen from the air is exchanged with carbon dioxide from the blood (non fish)
tadpole aquatic, fish-shaped larva of a frog or toad
metamorphosis phase in the life cycle of many animals during which a rapid change from the immature form of an organism to the adult form takes place
amniotic egg type of egg that is surrounded by a membrane and that in reptiles, birds and egg-laying mammals contains a large amount of yolk and is surrounded by a shell
Created by: msparks