b. it serves as a template for protein production.
c. it provides the code to produce structural proteins.
d. all of the above
Two-thirds of calorie intake comes from the key cereal grains domesticated in the
earlier Holocene, especially:
a. barley, sorghum, and wheat.
b. wheat, barley, corn, and rice.
c. oats, wheat, and rice.
d. corn, rice, and beans.
Neandertals’ cold-adapted traits include:
a. a narrow nasal aperture.
b. short limbs.
c. a wide torso.
d. a projecting midface.