Gause's principle of competitive exclusion states that (a) no two species can occupy the same niche indefinitely for the same limiting resources (b) larger organisms exclude smaller ones through competition (c) more abundant species will exclude the less ...
The principle of competitive exclusion was stated by (a) C. Darwin (b) G.F. Gause (c) Mac Arthur (d) Verhulst and Pearl.
Which of the following is correct for r-selected species? (a) Large number of progeny with small size (b) Large number of progeny with large size (c) Small number of progeny with small size (d) Small number of progeny with large size
Mycorrhizae are the example of (a) amensalism (b) antibiosis (c) mutualism (d) fungistasis.
Asymptote in a logistic growth curve is obtained when (a) K = N (b) K > N (c) K < N (d) the value of ‘r’ approaches zero.
The impact of immigration on population density is (1) Positive (2) Negative (3) Both positive and negative (4) Neutralized by natality