According to the Rivet Popper hypothesis:

Biology NEET Full Syllabus Mock Test 180 Questions New Syllabus Mock Test - 15 PCB Single Correct MCQ

Published on: August 13, 2026

Higher the solar radiation, higher will be the speciation.

Higher the species richness, higher will be the chance of extinction due to competition.
(3). Removal of key species from the ecosystem can greatly affect its functioning.

As we explore more area, the number of species increases constantly.

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The correct answer is:

An ecosystem is compared to an aeroplane.
Each species rivet in the plane.
If a few rivets are removed, the plane can still fly.
But removal of key rivets (key species) or too many rivets can cause the plane to crash.
This loss of key species can greatly affect ecosystem functioning.

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