Which term refers to the process by which individuals that are better adapted to their environment are more likely to survive and reproduce?
a.
natural selection
b.
overproduction
c.
competition
d.
variation

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.