Seals Such as the Weddell Seal, Which Are Capable of Long

Multiple Choice

Seals such as the Weddell seal, which are capable of long and deep dives, typically have blood-oxygen carrying capacities (per unit volume) that are _______ those of seals such as the stellar sea lion, whose dives are short and shallow.

A) four times greater than
B) 1.5 times greater than
C) similar to
D) 1.5 times less than