ECOLOGY
BIOMES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Plankton
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Benthos
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Nekton
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Decomposers
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Detailed explanation-1: -Nekton (or swimmers) are living organisms that are able to 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.
Detailed explanation-2: -The largest group of nekton are chordates and have bones or cartilage. This group includes bony fish, whales, sharks, turtles, snakes, eels, porpoises, dolphins and seals. Molluscan nekton are animals like octopus and squid. Arthropod nekton are animals like shrimp.
Detailed explanation-3: -Nekton are all organisms that swim actively in open water, independent of currents.
Detailed explanation-4: -Aquatic organisms generally fall into three broad groups: plankton, nekton, and benthos. They vary in how they move and where they live.
Detailed explanation-5: -Therefore, the correct option is D) Nekton, as the actively moving organisms in aquatic ecosystem are Nekton.