Which is the correct explanation for 40°n latitude? a. all positions along a circle that runs parallel to the equator and 40° south of it b. all positions along a circle that runs perpendicular to the equator and 40° west of it c. all positions along a circle that runs perpendicular to the equator and 40° east of it d. all positions along a circle that runs parallel to the equator and 40° north of it

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.