What would happen to the exponential growth curve of a population if a pollutant or a new predator were introduced into an environement?

If a pollutant or a new predator were introduced into an environment, then a standard exponential growth curve would be less "sharply" bent, and would curve out more away from the y-axis.

Glomar challenger was a deep sea research and scientific drilling vessel for oceanography and marine geology studies. the drillship was designed by global marine inc