All of the following are adaptations against sinking in the open ocean except:
A) long spines and projections.
B) lipid droplets.
C) dense tissues.
D) gas bladders.
E) small size.

Question

Quizplus · Accepted Answer

Dense tissues would actually increase an organism's density relative to the surrounding water, making it more likely to sink, not less. Adaptations like long spines, lipid droplets, gas bladders, and small size all help organisms reduce their sinking rates in the open ocean by increasing buoyancy or reducing the rate of descent.

All of the Following Are Adaptations Against Sinking in the Open