The actively moving organism in aquatic ecosystem is ______.
Phytoplankton
Benthos
Nekton
All of the above
A
Phytoplankton
B
Benthos
C
Nekton
D
All of the above
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Solution
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Phytoplankton are microalgae that contain chlorophyll and require sunlight for living.
Benthos are benthic organisms found in the deep surface of the sea.
Nekton are heterotrophic living organisms, who swim and move independently of water currents. Examples of nekton are an octopus, shark, etc.
Hence, the correct answer is option C, i.e., Nekton.
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