Answer: a. the lowest trophic level
Explanation:
The keystone species is the one on which the entire ecosystem depends upon. It maintains a balance in the ecosystem. If this species is removed the ecosystem will drastically change. The members of the keystone species are abundantly available at the lowest trophic level. This will help in making a balance in a community or ecosystem. If some members die others will be available to survive others.
Answer:
For question 2 its way to show outcomes
Explanation:
gimme brainliest pls
The tropic level is each level of hierarchy in an ecosystem and the primary source of energy left over after an animal is consumed from the lowest level up. a food web is a system of inner locking interdependent food chains.
Hope it helped
Answer:
I believe it's Mercury.
Explanation:
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