Explain Rivet popper hypothesis.

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Detailed Solution

To explain the importance of certain species in an ecosystem, Paul Ehrlich proposed rivet popper hypothesis.
In this, aeroplane is compared with ecosystem, whereas rivet [bolt] is compared with species.
It explains how removal of one by one rivets (species of an ecosystem) of various parts can slowly damage the plane (ecosystem). It shows how important a species is in the overall functioning of an ecosystem.
Removing a rivet from a seat or some other relatively minor important parts may not damage the plane.
But removal of a rivet from a part supporting the wing can result in a crash. Likewise, removal of a critical species may effect the entire community and thus the entire ecosystem. Eg: Himalayas, Western Ghats in India.

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