1. Can you design a way to test the hypothesis that asexual reproduction leads to a higher evolutionary fitness than sexual reproduction?
2. Before carrying out the experiment, why did the scientists expect there would be a difference in fitness between sexual and asexual snails in ponds with different degree parasitism?
3. Are the data they obtained consistent with Weismann’s hypothesis? Explain your thinking.
4. What conclusions can you make based upon the data?