What is the "rivet popper hypothesis"?

What is the "rivet popper hypothesis"?
  1. An analogy to explain how species extinction affects the functioning of an ecosystem
  2. A hypothesis about the relationship between species richness and resilience to disturbances
  3. A hypothesis about the relationship between species richness and resistance to invasions by alien species
  4. A hypothesis about the relationship between species richness and year:to:year variation in total biomass

Solution

The "rivet popper hypothesis" is an analogy used by Paul Ehrlich to explain how species extinction affects the functioning of an ecosystem.

Asked in: NCERT

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