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 are:
Alfred Russel Wallace
Charles Darwin
Step 2
What is a fossil?
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Answer
A fossil is:
the remains of an organism (animal or plant)
from a long time ago, usually 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 was formed because:
The animal walked on mud.
Step 4
Give two causes of extinction.
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Answer
Two causes of extinction include:
Flooding
Volcanic activity
Step 5
Which two of the following provide evidence for evolution? Tick (✓) two boxes.
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