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Ch.2 Lesson 2
Animal Classification
| Question | Answer |
|---|---|
| animals that have a backbone | vertebrate |
| animals that have hair and produce milk for their young | mammal |
| animals that have dry, scaly skin | reptile |
| animals that have moist skin and no scales | amphibian |
| vertebrates that live their entire lives in water | fish |
| vertebrates with feathers | bird |
| animals without a backbone | invertebrate |