Biology
Grade-7
Easy

Question

___________ are those which occur primarily or most abundantly in the edge zone.

  1. Keystone species
  2. Indicator species
  3. Edge species 
  4. Foundation species

hintHint:

The species that are present primarily or more abundantly on the edge zone are called keystone species.

The correct answer is: Keystone species


    • The keystone species are present primarily or more abundantly on the edge zone.
    • They define the characteristics of the entire ecosystem in which they are present.
    • Wolves and elephants are some examples of keystone species.

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