Answer:
Observing changes in the nesting behavior of wood ducks should be conducted as a field investigation.
Explanation:
Answer:
Pepsin
Explanation:
An enzyme made in the stomach that breaks down proteins in food during digestion. Stomach acid changes a protein called pepsinogen into pepsin.
A. If the prey isn’t getting killed, they will continue to increase the population until they hit their max (due to resources).
