Answer :
ecologists uses the capture and recapture methods as well as quadrats to estimate the size and density of a population. the capture recapture method involves marking the animals and seeing how many times they are marked. the quadrats involves designating a specific area and counting the number of animals.
by taking a sample of the entire population
by counting every individual in a population
by guessing the number of individuals in a population
by measuring the area of the entire population
- from gradpoint