Hydras are animals related to coral and jellyfish. Hydra can reproduce sexually or asexually. Why would hydras avoid reproducing asexually when conditions are difficult?
Reproducing more slowly would be a good way to take advantage of plentiful resources
Reproducing more rapidly would be a good way to take advantage of plentiful resources
The lack of genetic diversity could mean that all of the hydras die, depending on the situation
The high genetic diversity could mean that all of the hydras die, depending on the situation