Respuesta :

The answer is A- Plants. Plants are living organisms, while air, temperature, and soil are not. 

Correct answer choice is:

A. Plants.

Explanation:

The living beings in an ecosystem are named biotic factors. Living beings involve plants, creatures, bacteria, parasites and many more. The non-living components of an ecosystem are named abiotic factors. In an ecosystem, few abiotic factors are sunshine, temperature, climatic gases, water, and clay.