Question

Which answer choice has only biotic examples?

a. plants, animals, air, soil
b. trees, animals, soil, temperature
c. insects, air, soil, temperature
d. plants, animals, trees, insects

Answer 1

Biotic Factors are any living components that affect other organisms, and since soil is not alive (soil is an abiotic factor) then you can eliminate A., B., and C. D is the answer choice that has only biotic examples. 

Answer 2

Answer: Option D

Explanation:

The interaction between the biotic and abiotic components is called as ecosystem.

The biotic components of the ecosystem is the living components which can perform various types of functions for their survival.

The abiotic components of the ecosystem has no life.Example: soil, mountain, rock et cetera.

Here, plants , animals, trees and insects belong to the group of biotic components of ecosystem.