MCQ
Keystone species are:
  • A
    Important for ecosystem.
  • B
    Important for plants.
  • C
    Endangered species.
  • D
    Extinct species.

Answer

  1. Important for ecosystem.

Explanation:

Keystone species are plants or animals species that play a unique and crucial role in the way an ecosystem functions. They are very important for ecosystem to function properly.

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