Question

Which of the following is a biotic factor?

a. wind

b. disease-causing microbe

c. temperature

d. soil particle size

Short answer

The Correct Answer is Option (b)

Disease-causing microbe

Step-by-step solution

Introduction

The abiotic constituents of an ecosystem are climate, soil, water, minerals, sunlight, and all other nonliving elements, whereas the biotic constituents are all of its living inhabitants.

Reasons for the Incorrect Options

Abiotic components include things like air, water, soil, light, temperature, and so on.

As a result, alternatives (a), (c), and (d) are erroneous.

Reason for the Correct option

Viruses, bacteria, fungus, protozoa, and helminths are the five types of disease-causing agents (worms). They are called Disease-causing organisms.

Hence, option (b) is the proper response.