Figure 4 shows fossils in different layers of rock - Edexcel - GCSE Biology Combined Science - 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?
(a) layer A (1)
Figure 5 shows some stone to... show full transcript
Worked Solution & Example Answer:Figure 4 shows fossils in different layers of rock - Edexcel - GCSE Biology Combined Science - 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 of rock in the diagram, suggesting that it was formed most recently.
Step 2
Explain one difference between tool A and tools B, C and D.
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Answer
Tool A is generally larger and may have a different shape or design compared to tools B, C, and D. While tool A might be designed for a specific task, tools B, C, and D could represent a more refined or varied approach to tool-making, indicating advancements in technique or usage.
Step 3
Animals with the most desirable characteristics were bred together. This is called __________ breeding.
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Answer
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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Answer
One advantage of domesticating animals is the ability to use them for labor and productivity, such as farming and transport, which increases human efficiency and produces more resources.
