Marine Science?

Question

there is a constant problem with nekton organisms sinking , can u plz tell me how they stay a float

Answer 1

Nekton organisms can propel themselves independent of the currents in the water mass
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With the ability to propel ones self I'm not understanding why they would sink. Their characteristics really don't display the inability to stay afloat.
.................In essence they SWIM.................
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One characteristic of nekton is the capability of fast motion. Another is maneuverability, as in linear and angular acceleration, starting, stopping, turning, and in general displaying agility.