What is the minimum requirement for any species to survive in nature?

What is the minimum requirement for any species to survive in nature?
  1. One more species on which it can feed
  2. A large number of small:sized offspring
  3. A single species in the habitat
  4. A small number of large:sized offspring

Solution

For any species, the minimal requirement is one more species on which it can feed.

Asked in: NCERT

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