CBSE 2022 · Region 1 · Set 3 · Q1 · 2 marks
Give your interpretation of the message given by ecologist Paul Ehrlich through his analogy "rivet popper hypothesis" to human race.
Marking-scheme solution
Ecosystem made of thousands of species, extinction of a few species initially may not affect functioning of ecosystem, loss of key species threatens the major ecosystem function.
Biodiversity and ConservationBiodiversity ConservationUnderstandvery_short_answermedium
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CBSE Class 12 Biology past-paper question from the 2022board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.