Question

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.

• A. All
• B. 2 only
• C. 2, 3
• D. None of these

Answer 1

Answer:

C. 2, 3

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