In many species, the females can reproduce by the process of parthenogenesis. Why do males persist in those species?
A) Defense
B) To increase the number of offspring produced
C) To assist in rearing of the offspring
D) To decrease the chance of infertility
E) To ensure genetic diversity

Question

Quizplus · Accepted Answer

Males are necessary for genetic diversity in a species. Without males, the offspring produced by parthenogenesis will be genetically identical to the mother. This lack of genetic diversity can make the population more vulnerable to diseases and other environmental pressures. Males are also necessary for sexual selection, which can drive the evolution of advantageous traits and increase the overall fitness of the population.

In Many Species, the Females Can Reproduce by the Process