Profundal zone is

Productivity of profundal zone will be low Why?

Prductivity of profundal zone will be low. Why ?

Producers are not found in profundal zone in aquatic bodies. Give reason.

In which of the zone of lake stratification only heterotrophs are present? (a) Limnetic zone (b) Littoral zone (c) Profundal zone (d) Ecotone zone

Define the following : (a) Ecology (b) Environment (c) Lapse rate (d) Microhabitat (e) Habitat (f) Ecological niche (g) Climate (h) Weather (i) Wind throw (j) Lodging (k) Littoral zone (l) Limnetic zone (m) Profundal zone (n) Benthic zone

What is profundal zone? What type of organisms are available in this zone?

Correct the statement: Highly productivity zone in aquatic ecosystem is profundal zone.

H' zone is