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| an individual living thing, such as a plant, an animal, or a bacteria |
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| an animal that has hair or fur and is fed milk from its mother's body |
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| a land animal that has dry skin covered by scales |
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| an animal that has feathers, two legs, and wings |
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| an animal that has a skeleton with a backbone inside its body, such as mammals, birds, amphibians, reptiles, and fish |
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| an animal that does not have a backbone or skeleton inside its body, such as insects, spiders, worms, snails, clams, crabs, and squids |
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| a body feature that an animal inherits; it can also be some things that an animal does |
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| an animal that lives its whole life in water and breathes with gills |
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| an animal that begins life on land and moves onto land as an adult |
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| to put in groups according to things that are similar |
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| to receive traits from parents |
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| the small, thin, flat plates that help protect the bodies and fish and reptiles |
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| a body part found in fish and young amphibians that takes in oxygen from the water |
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