Marine Mammal Adaptations & Human Interactions

Question 1

t/f
even within the same species, different populations can be differently adapted to things (like diving)

Answer 1

true

Question 2

___ whales hunt very deep; they descend and ascend ____which would normally be very risky

Answer 2

sperm
quickly

Question 3

For air breathers, pressure can be very dangerous. Diving deep can put whales at risk of: (3)

Answer 3

• nitrogen narcosis= N dissolved in the blood affects the brain and thinking
• Embolism= bursting of the blood vessels in the lungs due to blockage by bubbles
• The bends= release of N gas into tissues and joints (then they decay)