The Red Data Book, which records endangered species, is published by _____.
- WWF
- UNEP
- IUCN
- CITES
Answer: IUCN
The International Union for Conservation of Nature (IUCN) maintains the Red List of Threatened Species.
Environment – Fill in the Blank – GK Questions
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The transitional zone between two distinct ecological communities is called an _____.
- Ecotone
- Biome
- Niche
- Habitat
Answer: Ecotone
An ecotone is a transition area between two biological communities, where two communities meet and integrate.
The pyramid of energy in any ecosystem is always _____.
- Inverted
- Upright
- Spindle-shaped
- Variable
Answer: Upright
Energy decreases at each successive trophic level due to the 10% law of energy transfer, making the energy pyramid always upright.