Answer:
Population dependent factors depend on the number of organisms in a population in a given area.
Population in dependent factors don't depend on the number of organisms in a given area.
An ecologist is counting the number of individuals of a species in a specific area to determine the population density.
Without population limiting factors, a population could theoretically grow forever.
A micro-climate change is harming a species to the point where a number of organism migrate/move from that area to a new area.
