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The diagram shows fossils in different layers of rock - Edexcel - GCSE Biology - Question 2 - 2016 - Paper 1
Question 2
The diagram shows fossils in different layers of rock. (a) (i) Which layer of rock is most likely to contain the oldest fossils? Put a cross (X) in the box next to ... show full transcript
Worked Solution & Example Answer:The diagram shows fossils in different layers of rock - Edexcel - GCSE Biology - Question 2 - 2016 - Paper 1
Step 1
Which layer of rock is most likely to contain the oldest fossils?
Answer
The layer of rock that is most likely to contain the oldest fossils is layer D. In sedimentary rock layers, the principle of superposition states that older layers are found deeper in the ground, while newer layers are deposited on top.
Step 2