More cards in this set

Card 6

Front

Why does preservation happen in glaciers?

Back

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Card 7

Front

Why does preservation happen in peat bogs?

Back

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Card 8

Front

What is amber?

Back

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Card 9

Front

Why can it be hard to find fossils of early life forms? (2 reasons).

Back

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Card 10

Front

Give two hypotheses of how life began.

Back

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Card 11

Front

Why is it hard to tell if two fossils are from the same species just by looking at them?

Back

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