Book3Unit 4 Warming Up& Reading (I)(13)

3. Can you put the order of development of life into a timeline?

8 Insects and amphibians appeared.3 The earth became a solid ball.

9 Reptiles appeared.2 The earth was a cloud of dust.

6 Shellfish and other fish appeared.12 Clever animals with hands and feet appeared. Ex.2 on P27

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