Dinobryon is a species of protozoa that reproduces asexually. how can this asexual reproduction be harmful to the species?

Even though the asexual way of reproducing has its advantages (it can be fast, it spends less energy and eliminates the search for a partner) it can be harmful to the species' genetic variability. When an organism reproduces asexually all of the offspring are genetic clones of the parents. This can lead to a decrease in the genetic variability of the population, making it unable to change, evolve and respond to the changes in its environment.

basically a guess that scientists make and can be proven right or wrong

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