Phytoplanktons are dominant in which of the following zone?

Options

(a) limnetic zone
(b) profundal zone
(c) littoral zone
(d) benthic zone

Correct Answer:

limnetic zone

Explanation:

Plants and animals present in different zones of ponds and lakes are very different. Littoral zone is a shallow coastal region. Light is unable to pass through. Limnetic zone is open water zone upto where effective light can penetrate. Limnetic zone is divided into 3 zones photic,aphotic and benthic. The producers of limnetic zone are represented by phytoplanktons. These include algae,green flagellates,euglenoidae and dinoflagellates.