8. In highly populated regions, large amounts of runoff, caused by development, can run into nearby streams. This runoff can be warmer
than the existing water in the stream. This warm runoff will most
likely

A. kill some species of fish as they cannot handle the
higher temperature of water.

B. cause the stream to become cleaner by killing
bacteria with the heated water.

C. decrease the amount of nitrogen for plants in the
soil under the water.

D. increase the amount of oxygen available to
organisms in the water.

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.