SCIENCE
ENVIRONMENTAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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One lives in a freshwater ecosystem and the other lives in salty water.
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One swims freely and the other often lives attached to a hard surface
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One is a predator and the other is a primary producer
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All of the above
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Detailed explanation-1: -Answer and Explanation: The ability too swim is what mainly distinguish nekton from benthos. Nekton organisms are those which have the ability to swim independently of ocean currents. Benthic organisms are those which live on the ocean floor.
Detailed explanation-2: -What mainly distinguishes nekton from benthos? one swims freely and the other often lives attached to a hard surface.
Detailed explanation-3: -Aquatic organisms can be divided into three groups based on where they occur in underwater ecosystems. 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.
Detailed explanation-4: -These animals need to stay up in the surface water where their food is, so they have various adaptations to improve their buoyancy. Most of them can swim up and down, although they can’t fight currents.