2 Stone tools can be found at sites used by our human ancestors - Edexcel - GCSE Biology - Question 2 - 2022 - Paper 1
Question 2
2 Stone tools can be found at sites used by our human ancestors.
(a) Figure 3 shows tool P.
(i) Describe how tool P was made.
(ii) Figure 4 shows tool Q which w... show full transcript
Worked Solution & Example Answer:2 Stone tools can be found at sites used by our human ancestors - Edexcel - GCSE Biology - Question 2 - 2022 - Paper 1
Step 1
Describe how tool P was made.
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Answer
Tool P was made by striking it with another hard object, such as another stone or flint. This process involves hitting the tool to knock off flakes or chips, thereby shaping it for use.
Step 2
Which observation supports this statement?
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Answer
The correct observation that supports the statement is: tool Q is more pointed than tool P.
Step 3
Evolution is the change of inherited characteristics through ______________ selection.
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Answer
natural
Step 4
These changes occur because genes ________.
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Answer
mutate
Step 5
Describe two ways that stone tools and fossils can be dated to find out how old they are.
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Answer
One way to date stone tools and fossils is to compare them with other tools or fossils that have already been dated. Another method is through radiometric dating, which assesses the decay of radioactive isotopes in the materials.
