Asked by bob

Which of the following is the adaptation that allows animals to survive in high altitudes, which contain lower levels of oxygen?

a.

migration

b.

higher levels of hemoglobin

c.

insulating feathers

d.

higher body temperatures

All Answers 1

Answered by GPT-5 mini AI
b. higher levels of hemoglobin

Higher hemoglobin (or hemoglobin with higher O2 affinity) increases the blood's oxygen-carrying capacity, helping animals obtain and transport enough oxygen when atmospheric O2 is low at high altitude.