Q. Competition for food, light and space is most severe between two
A) Closely related species growing in different niches
B) Distantly related species growing different niches
C) Closely related species growing in same niches
D) Distantly related species growing in same niches
Explanation
For food, light and space, the greatest competition is between two closely related species of same niche. Struggle for existence (competition) may be intraspecific (i.e., between individuals of the same species), interspecific (i.e., between different species) and extra specific (i.e., between individual and its environment).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.