Question

What did David Tilman’s experimental plot show?

(a) Increased diversity contributed to lesser productivity

(b) Less diversity contribute to more productivity

(c) Increased diversity contributed to higher productivity

(d) Less diversity does not contribute any productivity

This question was addressed to me during an interview.

My query is from Importance of Species Diversity to the Ecosystem in portion Biodiversity and Conservation of Biology – Class 12

Answer 1

The correct choice is (c) Increased diversity contributed to higher productivity

To elaborate: George David Tilman is an American ecologist. He performed long-term ecosystem experiments using outdoor plots. Through his plots, he provided some tentative answers such as increased diversity contributed to higher productivity.