Direct observation is the simplest and most effective method to determine population size. select the best answer from the choices provided true false

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.

answer; blank(1); cervical; blank(2); lumbosacral;