Respuesta :
They are all zones found in freshwater systems. Freshwater biological
Answer: The common thing is that they are all zones of freshwater.
Explanation:
The freshwater sources are also divided into many layers. The layers of water are limnetic zone, littoral zone, profundal zone, benthic zones.
A small lake will have only littoral zone because of its depth which is not much but a deep and big lake will have an extremely small littoral zone.
The depth of the lake or fresh water bodies decides the zones that can be found in it.
