The forces of evolution include:
a. gene flow, mutations, chromosomes, and genes.
b. mutations, genes, and genetic drift.
c. natural selection, gene flow, genetic drift, and mutations.
d. natural selection, genes, alleles, and chromosomes.
In Atapeura 5, early archaic Homo sapiens and Neandertal specimens show heavy wear
on the incisors and canines, indicating:
a. the use of the front teeth for gripping materials.
b. the purposeful modification of teeth to demonstrate social rank, as with the Aztecs.
c. their use for shaping the cutting edges of stone blades.
d. the chewing of massive amounts of fibrous materials.
Malaria is caused by:
a. bites from infected mosquitoes.
b. a genetic mutation.
c. drinking bad water.
d. eating spoiled food.