What does the Miller-Urey experiment tell us about the origin of life? a) Organic materials are always formed during an intense lighting storm.
b) It did not produce anything because the result of the Miller-Urey experiment were disproved.
c) Inorganic materials can form organic molecules under the right conditions.
d) Life forms from lightning.

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.