GCSE Biology – Natural selection
Learning Objectives
-I can explain speciation
-I can explain natural selection
Quiz Summary
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Question 1 of 25
1. Question
What is an allele?
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Question 2 of 25
2. Question
What does reproduction do?
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Question 3 of 25
3. Question
What is speciation?
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Question 4 of 25
4. Question
What process causes speciation?
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Question 5 of 25
5. Question
What process causes changes to phenotypes of a population?
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Question 6 of 25
6. Question
What process causes changes to phenotypes of a population?
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Question 7 of 25
7. Question
What process causes new phenotypes in individuals?
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Question 8 of 25
8. Question
What is natural selection?
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Question 9 of 25
9. Question
Over many generations, what happens to phenotypes of populations?
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Question 10 of 25
10. Question
Over many generations, what happens to phenotypes of organisms?
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Question 11 of 25
11. Question
If conditions are very different, what happens to the phenotype of the two populations?
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Question 12 of 25
12. Question
If conditions are similar, what happens to the phenotype of the two populations?
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Question 13 of 25
13. Question
Why might two populations of the same species have different phenotypes?
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Question 14 of 25
14. Question
Why are phenotypes different if conditions are different?
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Question 15 of 25
15. Question
Why are phenotypes similar if conditions are similar?
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Question 16 of 25
16. Question
A different environment may favour…
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Question 17 of 25
17. Question
If two populations become very different, what can they not do?
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Question 18 of 25
18. Question
If two populations cannot interbreed, what has happened?
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Question 19 of 25
19. Question
Which individuals survive in a population?
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Question 20 of 25
20. Question
Which individuals do not survive in a population?
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Question 21 of 25
21. Question
What do the alive individuals do?
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Question 22 of 25
22. Question
What do parents pass on to the offspring?
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Question 23 of 25
23. Question
What do offspring receive?
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Question 24 of 25
24. Question
Which offspring will survive the longest?
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Question 25 of 25
25. Question
Which offspring will reproduce?
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