: Non living and living organisms have things in common o Fact: o Evidence:

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

What noticeable trend from this graph might be used to make a conclusion?

Which animal is a producer in this ecosystem