A multitude of organisms makes ... soil biodiversity and ecosystem functioning to above-ground diversity 4. Until recently, research into soil biodiversity has led a niche existence, barely ...

Competition will occur between organisms in an ecosystem when their niches overlap ... competition because the individuals have the same niche so are competing for exactly the same resources.

Decades later, in the 1930s, American marine biologist Edward “Ed” Ricketts brought yet another new perspective to ecology, focusing not only on naming organisms, but on studying each habitat ...