Indirect methods of determining population size include:

Question

Question 3 Answer

a.
census and counting from a helicopter.

b.
census and aerial photography.

c.
mark-recapture and quadrat method.

d.
aerial photography and counting from a helicopter.

Answer 1

The correct answer is:

c. mark-recapture and quadrat method.

Indirect methods of determining population size typically involve techniques that estimate population density or size without directly counting every individual, such as mark-recapture and the quadrat method. The other options mentioned (census, aerial photography, counting from a helicopter) are more direct methods of obtaining population estimates.