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Which of the following statements accurately describe Neuston organisms?

  1. Neuston are organisms that live attached to submerged surfaces.
  2. These organisms reside at the air-water interface, such as floating plants and certain animals.
  3. Water striders are an example of Neuston that spend most of their lives on top of the air-water interface.
  4. Neuston obtain all their nutrients and sustenance directly from the air.

    AAll

    B2 only

    C2, 3

    DNone of these

    Answer:

    C. 2, 3

    Read Explanation:

    NEUSTON

    • These are unattached organisms which live at the air-water interface such as floating plants and several types of animals.

    • Some spend most of their lives on top of the air-water interface, such as water striders.

    • While other spend most of their time just beneath the air-water interface and obtain most of their food within the water.

    • E.g: Beetles and Back-swimmers

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