$...............$ found that plots with more species showed less year-to-year variation in total biomass. Increased diversity contributes to higher productivity.
- AAlexander von Humboldt
- BPaul Ehrlich
- CEdward Wilson
- DDavid Tilman
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Assertion: Communities that comprise of more species tend to be more stable.
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Reason: $A$ higher number of species results in less animal variation in total biomass.
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