Two populations of the same animal species each contain 100 individuals. One population was produced asexually and the other sexually. Both populations are exposed to the same sudden reduction in food availability.
| Population | Individuals surviving after the food reduction |
|---|---|
| Produced asexually | 18 |
| Produced sexually | 63 |
Explain the difference in the number of survivors and predict how the population produced sexually may change over several generations.
92 exam-style questions on Edexcel GCSE Biology 3.1 Reproduction and meiosis, covering 3.1.1 Advantages and disadvantages of reproduction and 3.1.2 Role of meiotic cell division. Each one has a worked solution and a mark scheme showing where the marks go.