Fact 1: Ethologists usually study how animals behave in their natural environment. Fact 2: Ethologists study animal behavior. Given the two facts above, what study animals in their natural environment?

Select from the following. (A). animal behaviorists; (B). it keeps an organism warm; (C). animal owners; (D). biological diversity; (E). animal hunters; (F). retaining heat; (G). by indirect light; (H). animal eaters;
The answer is:
(A).