Figure 4 shows fossils in different layers of rock - Edexcel - GCSE Biology - Question 2 - 2023 - Paper 1
Question 2
Figure 4 shows fossils in different layers of rock.
(a) (i) Which layer of rock is likely to contain the most recent fossils?
(ii) Explain one difference between t... show full transcript
Worked Solution & Example Answer:Figure 4 shows fossils in different layers of rock - Edexcel - GCSE Biology - Question 2 - 2023 - Paper 1
Step 1
Which layer of rock is likely to contain the most recent fossils?
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Answer
The layer of rock that is likely to contain the most recent fossils is layer A. In geological stratigraphy, the principle of superposition indicates that the youngest rock layers are located at the top, while older layers are found deeper underground.
Step 2
Explain one difference between tool A and tools B, C and D.
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Answer
One difference between tool A and tools B, C, and D is that tool A appears to be more primitive in design, suggesting it is from an earlier period, while tools B, C, and D exhibit more advanced manufacturing techniques, indicative of a later technological phase.
Step 3
Use words from the box to complete the sentences.
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Answer
Animals with the most desirable characteristics were bred together. This is called selective breeding.
Step 4
Which is the definition of a genome?
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Answer
The definition of a genome is C. all the DNA of an organism.
Step 5
Give one advantage of domesticating animals.
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One advantage of domesticating animals is that it provides a reliable source of food, such as milk, meat, and eggs, thereby enhancing human nutrition and food security.
