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Dowd's Vertebrate

Dowd's Vertebrate Vocabulary

QuestionAnswer
endoskeleton internal support of bones and/or cartilage that attaches to muscles and protects organs
cartilage tough, flexible tissue that makes up all or part of a vertebrate's endoskeleton
vertebrae backbones that are joined by cartilage and protect a nerve cord
ectotherm animal whose body temperature changes when the temperature of the environment changes
endotherm animal with a nearly constant body temperature
fin structure used by fish for steering, balance, and movement
scales thin, hard plates that cover a fish's skin and protect its body
hibernation behavioral adaptation for winter in which an animal's activity is reduced and body processes slow down
estivation inactivity in hot, dry months
amnoiotic egg egg covered with a shell that provides an environment for the embryo's development
contour feathers strong, lightweight feathers that give birds their coloring and shape and are used for flight
down feathers soft, fluffy feathers that provide insulation
preening process in which a bird rubs oil from an oil gland over its feathers
mammary gland milk-producing glands of female mammals used to feed their young
gestation period period during which an embryo develops inside a female mammal
Created by: dowdh
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