It would be an interesting experiment to analyze the anemones in an area to ask whether they were clones of a few animals, or the result of sexual reproduction. We are taught to expect that sexual reproduction is always best, i.e., gives the fittest offspring but this does not necessarily always apply.
For example, Daphnia will happily reproduce asexually, producing only female clones until environmental conditions deteriorate (low oxygen, food shortage, stressful temperature, etc). At that point, males are produced and sexual reproduction commences. I have no idea what happens in anemones or other Cnidarians but it is an interesting question.
For example, Daphnia will happily reproduce asexually, producing only female clones until environmental conditions deteriorate (low oxygen, food shortage, stressful temperature, etc). At that point, males are produced and sexual reproduction commences. I have no idea what happens in anemones or other Cnidarians but it is an interesting question.