Question

The purple martin is a bird that eats insects. In terms of systems, why would the sudden elimination of this species be a problem?

1. The make up part of a negative feedback system that promotes insect population growth.

2. They make up part of a positive feedback system that promotes insect population growth.

3. They make up part of a negative feedback system that regulates insect population size.

4. They make up part of a positive feedback system that regulates insect population size.

Answer 1

They make up part of a negative feedback system that regulates insect population size

Step-by-step explanation:

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Answer 2

3. They make up part of a negative feedback system that regulates insect population size.

They are eating (controlling) insect population.