Question

1. which of the following is a biotic limiting factor?

a. the amount of breathable oxygen available to a population.
b. food available for organisms
c. the nitrogen to oxygen ratio in the air supply.
d. the number of bodies of water in a habitat.

Explanation:

Biotic limiting factors are living components that affect a population. Food is a biotic factor as it is derived from living organisms. Oxygen, nitrogen - oxygen ratio, and water bodies are abiotic (non - living) factors.

Answer:

B. Food available for organisms