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Look beyond one feature - Paper 1

Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.

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Verified-feature exercise: a adult frog has a backbone and moist skin; its life cycle includes an aquatic tadpole. Vertebrates have backbones. The five familiar groups here are mammals, birds, reptiles, amphibians and fish. Mammals feed young milk; birds have feathers; use the other supplied body and life-cycle features for the remaining cards. Exceptions matter.

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Classify the adult frog within these five groups.
What classification mistake does the adult frog card help avoid?
What shared feature makes the adult frog a vertebrate?

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