Which best explains why openness is important to the progress of science?
a. it aids in the analysis of complicated numerical data.
b. it aids in understanding technical papers in academic journals.
c. it allows scientists to consider ideas that contradict their models or theories.
d. it allows scientists to design novel experiments that may be difficult to carry out.

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.