Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> A keystone species is a species which?

• A. Can be either a plant or animal.
• B. Whose contributions are substantial compared to the number of species prevalent in the habitat.
• C. Which plays a unique and crucial role in the way an ecosystem functions.
• D. All of the above

Answer 1

The correct option is D All of the above

A keystone species is an organism that helps define an entire ecosystem.
It plays a critical role in survival of the ecosystem.
It can be a plant or an animal species.
Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether.
Eg. Tigers in India, African Elephants, Sharks, Sea otters.