Multiple Choice
Research indicates that the Tibetan and Han Chinese inherited a variant EPAS1 allele from ____.
A) a common Denisovan ancestor
B) interbreeding with Denisovans while still a common ancestral group
C) interbreeding with Denisovans as distinct groups with overlapping territories
D) an ancestor common to all humans
E) an ancestor shared with the Andean people
Correct Answer:

Verified
Correct Answer:
Verified
Q50: Birds utilize mechanisms similar to countercurrent exchange
Q51: Marine mammals use _ to extend dive
Q52: The _ is/are responsible for closing off
Q53: Living at high altitudes can cause _
Q54: CO<sub>2</sub>is transported in the blood _.<br>A) dissolved
Q56: Air movement to the mammalian respiratory surfaces
Q57: Which animal uses positive pressure breathing to
Q58: Respiratory neurons from the dissected brainstem of
Q59: The _ are the initial branches of
Q60: Amphibians often use _ as a respiratory