What is the importance of a keystone species in an ecosystem?

A. इसका effect population size से अधिक बड़ा हो सकता है / Its effect can be larger than its population size suggests

Step 1: Identify ecology role. Step 2: A keystone species strongly influences ecosystem structure and its removal can cause large change. Step 3: Remember keystone equals key support species.

Step 1: ecology role पहचानें। Step 2: Keystone species ecosystem structure को strongly influence करती है और हटने पर बड़ा change हो सकता है। Step 3: Keystone equals key support species याद रखें।