Question

1. Which of the following is true about producers?

A.they are helpful to some ecosystems and not essential to any ecosystems.

B.they are helpful to all ecosystems but not essential to any ecosystems.

C. They are essential to some ecosystems.

D. They are essential to all ecosystems.

( I don't think this is really a health science but hopefully you can help me)

Answer 1

D. They are essential to all ecosystems. If you did not have producers, all organisms would be extinct because no new ones would be produced.