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Question
Actively moving organisms in aquatic ecosystem are
Actively moving organisms in aquatic ecosystem are
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Solution
The correct option is A Nekton
- Nekton (or swimmers) are living organisms that actively swim and move independently of currents. Nekton are heterotrophic and have a large size range, with familiar examples such as fish, squid, octopus, sharks, and marine mammals.
- The benthos live on the ocean floor or the bottom of a river, lake or stream. Starfish, oysters, clams, sea cucumbers, brittlestars and anemone are all benthos.
- Phytoplanktons and zooplanktons are unable to swim against currents and thus drift in water.
- Nekton (or swimmers) are living organisms that actively swim and move independently of currents. Nekton are heterotrophic and have a large size range, with familiar examples such as fish, squid, octopus, sharks, and marine mammals.
- The benthos live on the ocean floor or the bottom of a river, lake or stream. Starfish, oysters, clams, sea cucumbers, brittlestars and anemone are all benthos.
- Phytoplanktons and zooplanktons are unable to swim against currents and thus drift in water.
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