✓ Board-verified
Biology · 2022 · 2 marks
CBSE 2022 · Region 1 · Set 3 · Q1
Give your interpretation of the message given by ecologist Paul Ehrlich through his analogy "rivet popper hypothesis" to human race.
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.
All Biodiversity and Conservation questions2022 question paperNCERT solutions: Biodiversity and ConservationPractice Biodiversity and Conservation →
More from Biodiversity and Conservation
- Enlist two criteria that are used to identify a region for maximum protection as 'Biodiversity hotspots'. Name any two "hotspot" regions in our…2022
- Exploration of molecular, genetic and species level diversity for gaining products of economic importance is called2026
- Given below is an equation describing the Species-Area relationship between species richness and area for a wide variety of taxa as angiosperm…2022
- How are 'in-situ' and 'ex-situ' approaches of biodiversity conservations different from each other?2022
- Given below is a pie chart representing global diversity of vertebrates. Redraw the pie chart identifying the groups 'A', 'B', 'C' and 'D' in their…2024
- According to a recent wildlife report, the biggest threat to the tiger's survival in Mudumalai Tiger Reserve (MTR) was found to be a small, beautiful…2025
- India has only 2.4% of the world's land area but its share of the global species diversity is:2025
- "Abingdon tortoise in Galapagos islands became extinct within a decade on introduction of goats in the island." Explain giving reason.2023
CBSE Class 12 Biology past-paper question from the 2022 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.