Which describes a primary role of the pioneer species in an ecosystem?
O prevent fertile soil from washing away
O provide food for small animals
O protect other species from danger

break down rock into soil

Respuesta :

A primary role of the pioneer species in an ecosystem is best describe by  prevent fertile soil from washing away.

why are pioneer species so important for primary succession?

They begin the method of breaking down the rock into soil that can keep plants and eventually that soil will provide rise to whole ecosystems of flora, fauna, and other organisms.

Thus, option "A" is correct, prevent fertile soil from washing away.

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