In the following question a pair of words or phrases is followed by five pairs of words or phrases. choose the pair that best expresses a relationship similar to that in the original pair. diffusion: passive transport a. exocytosis: active transport b. facilitated diffusion: active transport c. osmosis: active transport d. endocytosis: passive transport e. sodium/potassium pump: passive transport

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.