Write whether the following statements are true or false .
(i) Communties with more species tend to be more stable that those with less species.
(ii) David Tilman found that plots with less species showed less year-to-year variation in total biomass.
(iii) A stable community must be resistant to invasions by ecotic species.
(iv) Effect of reduction in diversity has been explained by Alexander von Humboldt through rivet popper hypothesis.

Explanation

(i) True
(ii) False
(iii) True
(iv) False