Which one of the following is a population ?

Options

A. A spider and some trapped flies in its web
B. Earthworm that lives in grassland along with other arthropods
C. All the plants in a forest
D. All the oak trees in a forest

Answer

D

Explanation

Population can be defined as a group of organisms of one species occupying a defined geographical area share or compete for similar resources and a degree from other similar groups e.g.: All the cormorants in the wetland, rats in an abandoned dwelling, teakwood trees in a forest tract, bacteria in a culture plate and lotus plant in a pond.