Question

The presence of all the following tend to increase species diversity except

• A. Competitive exclusion
• B. Keystone predators
• C. Patchy environments
• D. Moderate disturbances

Answer 1

The correct option is A

Competitive exclusion

Competitive exclusionprinciple, sometimes referred to as Gause's law ofcompetitive exclusionor just Gause's law, is a proposition that states that two species competing for the same resource cannot coexist at constant population values, if other ecological factors remain constant. Rest three either help in maintaining or increasing species number.