Sea turtles usually leave the water to

A patient recovering from DKA asks the nurse how acidosis occurs. The best response by the nurse is that

The marine iguana is a carnivorous animal that feeds on fishes.  It swims using its powerful arms.

Based on molecular evidence, the closest living relative of whales appears to be the hippopotamus.

Sexually dimorphic fishes are those in which the males and the females look different in their external anatomy.

Which of the following is true about mammals?

Many bony fishes are broadcast spawners that release their gametes directly into the water.

Countershading is a coloration pattern common to fishes that swim in the upper layers of the ocean (pelagic).  In order to camouflage themselves in this environment, these fishes have a dark belly and a light colored dorsal surface.

In order to waterproof their feathers, birds may use oil, which they collect from an oil gland (the preen gland) at the base of their tail.

Guano is a waste material produced by birds. It contains uric acid, a white paste that helps the bird’s kidneys to conserve water.