The forms of fauna which are fixed to the sea bottom are referred to as * 1 point a. benthonic b. pelagic c. necktons d. sessile

Ans (D) Sessile Sessile organisms can move via external forces (such as water currents), but are usually permanently attached to something. For eg. Corals

The forms of fauna which are fixed to the sea bottom are referred to as sessile.

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