B2 6.1: the origins of the earth

This is the test on the notes I have already wrote so so the notes frirst

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  • Created by: hev
  • Created on: 11-05-13 17:29
what is gradual replacement?
when hard body parts such as bone and shell do not decay so easily so are replaced with minerals and rocks
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What is the definition of Fossils?
these are the preserved remains or traces of dead organisms
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How many different ways can fossils be formed?
3
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What animals are an example of fossils that have become extinct due to fossils
horses and dinosaurs
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explain the two other ways of fossils being made (6 marks)
The first way is when parts of an organism are not decayed for an example animals andpalnts. these can be preserved in amber peat bogs, tar pits, and ice. The second way is cast impressions, such as footprints or burrows. these become covered by lay
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Card 2

Front

What is the definition of Fossils?

Back

these are the preserved remains or traces of dead organisms

Card 3

Front

How many different ways can fossils be formed?

Back

Preview of the front of card 3

Card 4

Front

What animals are an example of fossils that have become extinct due to fossils

Back

Preview of the front of card 4

Card 5

Front

explain the two other ways of fossils being made (6 marks)

Back

Preview of the front of card 5

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