Question

three zones of fresh water ecosystem

Answer 1

Hi
Your answer is
1)limnetic zone
2)littoral zone
3)profundal zone...
Hope it helpful...

Answer 2

There are three basic types of freshwater ecosystems:

Lentic: slow moving water, including pools, ponds, and lakes.

Lotic: faster moving water, for example streams and rivers.

Wetlands: areas where the soil is saturated or inundated for at least part of the time.