Question

which of these subjects is most likely to be studied in ecology?
a. the method of water transport in a tree
b. a comparison of muscle cells among birds and reptiles
c. the circulatory system of earthworms
d. the interaction between populations of wolves and deer

Explanation:

Ecology is the study of the relationships between organisms and their environment, including interactions between different populations. Options A, B, and C focus on internal - biological processes of single organisms. Option D involves the interaction between two different populations, which is a key aspect of ecological study.

Answer:

D. the interaction between populations of wolves and deer