The theory of evolution states that organisms alive today evolved by natural selection from other species that are now extinct - AQA - GCSE Biology - Question 1 - 2021 - Paper 1
Question 1
The theory of evolution states that organisms alive today evolved by natural selection from other species that are now extinct.
Which two scientists proposed the th... show full transcript
Worked Solution & Example Answer:The theory of evolution states that organisms alive today evolved by natural selection from other species that are now extinct - AQA - GCSE Biology - Question 1 - 2021 - Paper 1
Step 1
Which two scientists proposed the theory of evolution by natural selection? Tick (✓) two boxes.
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Answer
The two scientists who proposed the theory of evolution by natural selection are Alfred Russel Wallace and Charles Darwin.
Step 2
What is a fossil?
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Answer
A fossil is defined as the remains of an organism, whether an animal or plant, that have been preserved from a long time ago, often over thousands or millions of years.
Step 3
How was the fossil in Figure 1 formed? Tick (✓) one box.
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Answer
The fossil in Figure 1 was formed when the animal walked on mud.
Step 4
Give two causes of extinction.
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Answer
Volcanic activity
Climate change
Step 5
Which two of the following provide evidence for evolution? Tick (✓) two boxes.
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Answer
The options that provide evidence for evolution are:
