22 exam-style questions. Write your answer, check it against the mark scheme and tick the points you earned. Your marks stay on this device. Your writing is not saved.
Ratings are saved in this browser on this device, under a KS4 key kept separate from International A Level recall. Written answers are temporary and cleared when you leave the page. Use Reset to clear the ratings on this device.
Plan it with CORMMSS: Design an investigation (Logic Lab).
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
Explain how natural selection leads to evolution.
(5)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 5 marks
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
Who proposed the theory of evolution by natural selection?
(1)Total for this question: 1 mark
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
Explain how the peppered moth became mostly dark in industrial areas.
(3)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 3 marks
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
Explain why the number of pale moths increased after clean-air laws.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
Explain why natural selection does not cause mutations.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
State what is meant by evolution.
(1)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 1 mark
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
Suggest how long necks evolved in giraffes.
(3)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 3 marks
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
Explain why individuals do not evolve during their lifetime.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
Explain why competition is important in natural selection.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
Illustrative survey data after clean-air laws.
| Year | Dark moths / % |
|---|---|
| 1960 | 90 |
| 1970 | 85 |
| 1980 | 68 |
| 1990 | 40 |
| 2000 | 15 |
Plot the percentage of dark moths against year. Join your points with straight lines using a ruler.
(5)Graph skills: SLAPUK and choosing a scale
Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 5 marks
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
| Year | Dark moths / % |
|---|---|
| 1960 | 90 |
| 1970 | 85 |
| 1980 | 68 |
| 1990 | 40 |
| 2000 | 15 |
Calculate the percentage decrease in dark moths from 1960 to 2000.
(2)Total for this question: 2 marks
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
| Year | Dark moths / % |
|---|---|
| 1960 | 90 |
| 1970 | 85 |
| 1980 | 68 |
| 1990 | 40 |
| 2000 | 15 |
Explain the trend shown in the data.
(3)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 3 marks
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
| Year | Dark moths / % |
|---|---|
| 1960 | 90 |
| 1970 | 85 |
| 1980 | 68 |
| 1990 | 40 |
| 2000 | 15 |
Suggest why dark moths did not disappear completely by 2000.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
Explain why fossils provide evidence for evolution.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
Lesson: 4.38 Darwin’s theory of evolution by natural selection
4.38 Darwin’s theory of evolution by natural selection
Exam question
Mark points shown after marking
Explain why evolution in bacteria can be seen in a short time.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
Lesson: 4.38 Darwin’s theory of evolution by natural selection
