In a new zealand snail species, both sexual and asexual populations can be found in the same geographic region. some field observations indicated that sexually reproducing individuals are more common in the areas infested with parasites, and the reverse is also true. curt lively and mark dybdahl raised uninfected snails from many different asexual clonal lineages and then exposed them to parasites from the wild. what was their finding regarding the proportion of infected individuals, and did the results support the red queen hypothesis?

What is the term for the two sets of chromatids formed in the parent cell a.haploid b.diploid c.gamete d.tetrad

With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.

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.