How can scientists investigate the impact of limiting factors on a population?

hope it helps..

Explanation:

Limiting factors can lower birth rates, increase death rates, or lead to emigration. When organisms face limiting factors, they show logistic growth (S-shaped curve, Competition for resources like food and space cause the growth rate to stop increasing, so the population levels off.

yes by elenaboo   it could cause lots of stuff

substitution is the answer in this case