Environmental variation:
a. affects genotypic expression of characters.
b. has no effect on phenotype.
c. tends to blur together the phenotypes associated with different genotypes.
d. does not direct selection.

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

How does photosynthesis show the conservation of mass and energy?

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.