Question

Select the statements that accurately define Nekton.

1. Nekton are organisms that passively drift with water currents.
2. This group consists of animals capable of swimming, possessing the strength to overcome water currents.
3. Nekton are generally small and have limited mobility.
4. The size of Nekton ranges from tiny swimming insects to the largest marine mammals like the blue whale.

• A. None of these
• B. 2, 4
• C. All
• D. 1, 2

Answer 1

Answer:

B. 2, 4

NEKTON

• This group contains animals which are swimmers.

• The nektons are relatively large and powerful as they have to overcome the water currents

• The animals range in size from the swimming insects, which may be only about 2 mm long, to the largest animals that have lived on earth the blue whale.