(of a species, family, or other group of animals or plants) having no living members; no longer in existence.
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mammal
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a warm-blooded vertebrate animal of a class that is distinguished by the possession of hair or fur, females that secrete milk for the nourishment of the young, and (typically) the birth of live young.
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vertabrae
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animal with backbone
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invertabrae
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animal without backbone
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Cards in this guide (4)
Extinct
(of a species, family, or other group of animals or plants) having no living members; no longer in existence.
mammal
a warm-blooded vertebrate animal of a class that is distinguished by the possession of hair or fur, females that secrete milk for the nourishment of the young, and (typically) the birth of live young.