Competition occurs when animals utilize similar resources and in
some way interfere with each other’s procurement of those resources.
Competition among members of the same species, called
intraspecific competition, is often intense because the resource
requirements of individuals of a species are nearly identical. Intraspecific
competition may occur without individuals coming
into direct contact. (The “early bird that gets the worm” may not
actually see later arrivals.) In other instances, the actions of one
individual directly affect another. Territorial behavior and the
actions of socially dominant individuals are examples of direct
interference.
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