Question

for which method of determining population size is the population not aware of the samplers presence? a. mark/recapture b. direct observation c. sampling d. indirect observation please select the best answer from the choices provided

Explanation:

In mark/recapture, animals are marked and recaptured; in direct observation and sampling, the presence of the sampler can be noticed. Indirect observation involves looking at signs like tracks, nests, etc., so the population is not aware of the sampler.

Answer:

D. indirect observation