Which of these is not a challenge an organism encounters? a. reproducing b. staying healthy c. getting energy d. regenerating

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.

These are the components of the reservoirs of carbon that are exchanged in our environment.

Which is an example of precipitation. 1snow 2clouds 3natural gases 4organic matter