A species of mammal reproduces sexually. Its population becomes spread over a much larger area.
Why could this reduce its rate of reproduction?
individuals may be less likely to produce genetic variation
individuals may be more likely to produce identical clones
individuals may be more likely to double their chromosomes
individuals may be less likely to find a mate
40 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.