Inter-species competition is when multiple species use the same resource in different ways or at different times.
When two species can not exist at indefinite at same niches. The multiple species are use the same resources in a different ways or different time. After primary succession has occurred then species is the first to colonize the area.
When organisms of two same species use the limited resources and have a negative impact on each other,then it is known as competition.There are some examples or species which compete for resources such as sharks, dolphins,seabirds ,etc they all are same type of fish in ocean ecosystem.
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