What is one distinct disadvantage of sexual reproduction?
a) organisms that sexually reproduce do not produce much genetic variety.
b) sexual reproduction, unlike asexual reproduction, can rapidly produce too many new offspring.
c) sexual reproduction requires two individuals, which may be difficult for endangered or uncommon species of organisms.
d) sexual reproduction produces offspring that are all equally vulnerable to the same diseases, predators, and other environmental pressures

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.