The most important reason for the massive increase in the human population over the past 200 years is
a. the Green Revolution that increased agricultural productivity.
b. the increase in the birth rate.
c. technology that has made it possible for humans to live in more places.
d. the decline in the death rate.
Question 2
Population growth was slow for most of human history because
a. death rates were very high.
b. abortion rates were very high.
c. people preferred small families.
d. low levels of technology always lead to low rates of growth.
Fetal development of human
Anterior and posterior views of the adult human skeleton
An aryballe vase or decanter made for carrying body oils clearly demonstrates that ancient Greeks we
Risk of death from motorcycle accidents (dashed lines) and passenger accidents (solid lines) per 100
The greatest bone mass is found around age 30 for both men and women, with the later decline being f
Major Structures of the Human Brain