ldquo These are unattached organisms that live at the air water interface such as floating plants e...........

Environment and Ecology Wildlife

“These are unattached organisms that live at the air-water interface such as floating plants etc. Examples of such organisms are beetles and back-swimmers.” Which class of animals are being described in the aforementioned statement?

Periphyton

Neuston

Nekton

Plankton

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Explanation:

Periphyton are organisms attached to the stems or leaves of the grounded plants in the water bodies, neustons are unattached organisms that live on air-water interface e.g. floating plants or beetles etc., nekton are animals which are swimmers. Plankton are microscopic organisms with limited mobility. Therefore, answer B is justified.