Explain why primary species are important.

Because they are the ones who formed that ecosystem to what they need.

Explanation:

Wolves are a good example because if they were to be removed then the whole ecosystem would fall apart. They are population control and if the weren't there there would be less resources for other animals and if they didn't have resources then they could become endangered or rare to that area.

that's what i got you can count the number of atoms

hypostyle hall;