The animal species controlling the ecosystem functioning is known as:

What are the factors controlling ecosystem ?

Controlling factor in ecosystem is :

The species, though insignificant in number, determine the existence of many other species in a given ecosystem. Such species is known as:

The species thought insignificant in number, determine the existence of many other species in a given ecosystem. Such species is known as

The species , though insignificant in number, determine the existence of many other species in a given ecosystem. Such species is known as

Moving freshwater ecosystem is known as _________

The species diversity between two ecosystems is