Reproduction in animals varies from species to species ... There are a surprisingly large number of asexual animals that ...

For most living things, sexual reproduction has proven the best ... this minnow outlasts more specialized strains. Asexual animals arose from diversified sexually reproducing ancestors.

In sexual reproduction—the ... By contrast, asexual reproducers—some 70 vertebrate species and many less complex organisms—“use all the chromosomes they have” to solitarily produce ...

Animals that rely exclusively on parthenogenesis to reproduce, like the flowerpot snake, are called obligate parthenogens, ...

Imagine a gene that promotes sexual reproduction, such as by making it more likely that a plant will reproduce via sexually produced seeds as opposed to some asexual process (e.g., budding ...

However, in the animal world there are many examples of “virgin” or asexual reproduction, in which only one individual, necessarily female, is involved to procreate another individual whose ...