How might being able to dive into very
deep water be an advantage for whales such as
the sperm whale?
How might being able to dive into very
deep water be an advantage for whales such as
the sperm whale?

One common theory is that the fluid—which hardens to wax when cold—helps the whale alter its buoyancy so it can dive deep and rise again. Sperm whales are known to dive as deep as 3,280 feet in search of squid to eat. These giant mammals must hold their breath for up to 90 minutes on such dives

Explanation:

straight or amphibians are homeothermic to thermal