Which of the following is NOT a region in a lake ecosystem? Multiple Choice Littoral zone Epilimnion Pelagic zone Hypolimnion zone

Hypolimnion zone

Explanation:

The ecosystem of lake consists of four following zones:

1. Pelagic zone or limnetic zone.

2. Benthic zone.

3. Littoral zone.

4. Euphotic zone.

The ecosystem of the lake includes living organisms such as the animals, plants, micro organisms etc.

Epilimnion is the top layer of a thermally stratified lake.

And the Euphotic zone lies almost in the Epilimnion.

Hence,

Hypolimnion zone does not belong to region in a lake ecosystem.