Multiple choice general knowledge

The pyramid of number of a parasitic food chain in forest ecosystem is

  1. Always inverted

  2. Always upright

  3. Mixture of inverted & upright

  4. Sometimes inverted and sometimes upright
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A Correct answer
Explanation

In parasitic food chains, many parasites (or parasitoids) can live on a single host, creating more organisms at higher trophic levels than at lower ones. This always produces an inverted pyramid of numbers in forest ecosystems where tree hosts support numerous insect parasites.

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