Invertebrates ________ - do NOT HAVE a backbone., earth worms, jelly fish, octopus, and spiders are______ - invertebrates., mammals___________ - give birth to their young., vertebrate is___________ - an animal that HAS a backbone., reptiles_____ - are cold blooded and have dry scaly skin., humans and birds are__________ - warm blooded.,

Classify Animals

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視覺風格

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切換範本

恢復自動保存: ?