Why were Indo-European peoples able to migrate over such a large span of areas?
a. The males of each group traveled ahead first, bringing family later when routes became more secure.
b. They followed land routes established by trade.
c. Navigable rivers carried them east and south.
d. Horse-drawn wheeled carts allowed them to cover great distances.
e. They were able to preserve food, which allowed them to travel long distances.
Question 2
Natufians discovered that tall plants had kernels with thinner husks and were easier to
a. Plant.
b. Eat.
c. Find.
d. Grow.
e. Harvest.
Southern Royal Albatross, Diomedea epomophora, is a large seabird from the albatross family.
Despite the traditional focus on males, females actively choose mates and are the driving force in t
In one-male group species, extra males typically reside in all-male “bachelor” groups. These are Han
The presence of large areas of methane hydrate
Polyps, or abnormal growths, on the lining of the large intestine may indicate early stages of colon
Three-dimensional models of the small and large subunits of ribosomes.