In connell's classic study of barnacles, two species, species a and species b, can both survive on the lower rocks of the intertidal, but only species b actually does so. species a lives in a higher zone. how did connell explain this distribution?

Inter specific competition

Explanation:

This is usually a situation where two or more species coexist with the same requirement struggle for a common requisite which indirectly affects the distribution of species in its local ecosystem.

answer; the correct answer is (composition);