Competition: Competition occurs when two organisms compete for the same resource (food, space, mates, etc.). Both individuals are negatively impacted by competition for the resource because either ...

Competition will occur between organisms in an ecosystem when their niches overlap, they both try to use the same resource and the resource is in short supply. Animals compete for food ...

As with human arms races, the competition between coevolving organisms can have different outcomes. Sometimes the predator reduces the prey population to such low levels that not enough of the ...

Organisms struggle for the necessities of life; there is competition for resources. Individuals within a population vary in their traits; some of these traits are heritable -- passed on to offspring.

Organisms within an ecosystem are organised into levels. Producer Producers are plants and algae, which photosynthesise. Primary consumer Primary consumers are herbivores, which eat producers ...