Characteristics or adaptations that help antartic fish survive in their habitat?

Antifreeze glycoproteins. (AFGP's)

Explanation:

Antifreeze glycoproteins are antifreeze compounds added into their blood at very high compounds.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

the correct answer to this question is #5