SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which cannot be netted
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Which are independent of tides and waves
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Which have long necks
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None of the above
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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: -Animals that swim or move freely in the ocean are nekton. Nekton come in all shapes and sizes. They live in shallow and deep ocean waters. Most nekton eat zooplankton, other nektons or they scavenge for waste.
Detailed explanation-3: -Nekton are aquatic animals that can move on their own by swimming through the water. Benthos are aquatic organisms that crawl in sediments at the bottom of a body of water.
Detailed explanation-4: -Nekton describes animals that can swim against water currents, while plankton are plants or animals that drift in the current. Benthic organism spend their time either under, on or near the surface of the ocean floor.