A. direct B. indirect C. direct D. indirect
Competition occurs by direct and indirect means. Organisms interact directly by fighting (aggression) for scarce resources. Two eagles fighting over the salmon carcass and two colonies of ant clashing over a wasp are samples of aggression (direct competition)
Indirect competition happens when there is a common or limited supply of at least one resource (food, water, and territory). Use of this resource lessens and later depletes the amount available to others, or they compete for space. Gray foxes preying on penguins and squirrels relying on nuts for food are samples of indirect competition.
