explain differences between the malthusian theory of population growth and the Lotka Volterra competition model

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

Variety of living organisms; includes genetic, species, and ecological types.