Three organisms battling over limited resources shows competition in an environment. Thus, option A is correct.
what are the type of competition among the species?
It is a natural interaction between two or more same or different organisms for the same resources like food, shelter, light, substrate etc.
This type of interaction shows an effect on the fitness between two competitive organisms.
The major factor influencing competition are the density of the individuals and the number of organisms.
The competition is one of the major driving forces for evolutions it is involve in adaptation of species according to changing environment.
On the basis taxonomy, competition of species can be interspecific and intraspecific, similarly on the basis of mechanism it is divided into interference, exploitative and apparent competition.
According to influence, it can be direct and indirect competition.
Thus, option A is correct.
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