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 .

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