Question

Two different species cannot live for long, duration in the same niche or habitat. This law is _________

• A. Allen’s law
• B. Malthus theory
• C. Weismann’s theory
• D. Competition – exclusion principle

Answer 1

The correct option is D

Competition – exclusion principle

The competitive exclusion principle, sometimes referred to as Gause's Law of competitive exclusion or just Gause's Law, states that two species that compete for the exact same resources cannot stably coexist. Over the course of time the one of the species will get eliminated and other on will thrive on its cost.