Biology Terms - Unit 7

10 terms by sophiabk Staff

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vertebrate

an animal with a backbone

mammal

A warm-blooded animal with hair or fur; female mammals produce milk to feed their young.

fish

Vertebrates which live in water, usually have scales and breathe through gills.

amphibian

A vertebrate with moist skin and no scales that lives part of its life in water and part on land.

bird

Egg-laying vertebrates with feathers and forelimbs modified as wings.

reptile

A vertebrate that lays eggs and has lungs and scaly skin.

invertebrate

an animal without a backbone

arthropod

any invertebrate with jointed legs

insect

a class of arthropods that has three sections to their bodies: head, thorax, abdomen, and six legs.

arachnid

an arthropod with two body sections, four pairs of legs, and no antennae

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