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.
Which layer of rock is likely to contain the most recent fossils?
- layer A
- layer B
- layer C
- layer ... 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 most recent fossils are likely to be found in
layer A, as it is the uppermost layer in the geological stratification, indicating that these organisms existed most recently.
Step 2
Explain one difference between tool A and tools B, C and D.
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Answer
One key difference between tool A and tools B, C, and D is that tool A appears to be a simpler, more primitive stone tool, likely used for basic tasks, while tools B, C, and D seem more advanced in design and might indicate more specialized functions or a later period of use.
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 correct definition of a genome is C: all the DNA of an organism.
Step 5
Give one advantage of domesticating animals.
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Answer
One advantage of domesticating animals is that it provides a reliable source of food, such as milk, meat, or eggs, which can sustain human populations.
