(a) Figure 4 shows fossils in different layers of rock - Edexcel - GCSE Biology - Question 2 - 2023 - Paper 1
Question 2
(a) Figure 4 shows fossils in different layers of rock.
Which layer of rock is likely to contain the most recent fossils?
(1)
(b) Figure 5 shows some stone tools ... show full transcript
Worked Solution & Example Answer:(a) 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, as these fossils would be located in the most recently deposited rock layer closer to the Earth's surface.
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 the material and complexity of construction. Tool A appears to be a rougher, single-piece stone tool, whereas tools B, C, and D are more refined and potentially made from different materials or have more advanced features, indicating a progression in tool-making technology over time.
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
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 allows for a stable food supply, as domesticated animals can be bred for desirable traits, provide meat, milk, and labor, enhancing agricultural productivity.
