The most important factor(s) that influence(s) the ecological niche of an organism is/ are the?

A. water, light and predator-prey relationship
B. food and water availability
C. physical environment
D. competition for food and space

Correct Answer: Option D

D. competition for food and space

Explanation

The competition in a territory is the factor that basically determines whether or not a species will survive or not in that territory. Ecological niche is the total package of the habits of a species. The competition for food and water is the most important influencer of the ecological niche.