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NEETBotanyEcosystem

Read the following statements regarding ecological pyramids and select the incorrect one.

Options

  1. APyramid of energy is always upright, yet it still assumes a simple food chain which almost never exists in nat
  2. BPyramids of numbers fail to take into account the same species belonging to two or more trophic levels.
  3. CSaprophytes are not given any place in any type of ecological pyramid even though they play a vital role in th
  4. DInverted pyramids of biomass in aquatic ecosystems are unique as they successfully accommodate food webs.

Correct answer

D. Inverted pyramids of biomass in aquatic ecosystems are unique as they successfully accommodate food webs.

Step-by-step solution

Statement 1 is correct. While the pyramid of energy is always upright, it shares the general limitation of all ecological pyramids: it assumes a simple food chain, which rarely exists in nature. Statement 2 is correct. Ecological pyramids, including pyramids of numbers, do not take into account the same species belonging to two or more trophic levels (e.g., a bird that eats both seeds and insects). Statement 3 is correct. Saprophytes (decomposers) are excluded from all types of ecological pyramids despite their cru

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