Want this question answered?
They kill and harm eachother, thus decreasing population. Hope that helps :)
Predators can affect population size through increased or decreased predation events. Direct and indirect competition between members of the same species can limit population size.
There is a limit to available resources and all organisms in an ecosystem compete for those resources. Those that are better adapted, will obtain higher amounts of those resources leaving less for those that do not have the best abilities. These organisms that did not obtain all the resources they needed will die therefore controlling population growth and the size of the population.
The biggest limit for any organism's population is food supply. If raccoons cannot find enough food, they will not reproduce. Another limit is predation. Many animals eat raccoons. Bears, wolves, dogs, and cats are among the animals that thin the raccoon population. Disease is another cause of population decrease.
This is why you don't use Answers.com! COMPETITION **** :)
Food supply
the thing people limit the size is land, water, food, and climate.
competition
Platonic
limiting factors
Logistic
Relate to the size of one species- population to the other species.