Question

which of the following method is best used to count populations of organisms that are highly mobile? tag and recapture counting nests observing from a distance sampling plants

Explanation:

Tag - and - recapture is a common method for estimating populations of mobile organisms. Counting nests is for sedentary or nesting - oriented organisms. Observing from a distance may not give an accurate count for highly mobile ones. Sampling plants is not relevant for counting mobile organisms.

Answer:

tag and recapture