During World War II, food shortages in some European countries were linked to
A) decreases in immune functioning.
B) decreases in the rate of cardiovascular disease.
C) higher rates of diabetes.
D) higher cancer rates.
Question 2
What happened to laboratory rats and mice who were fed only 70 percent of their usual calories?
A) They died of starvation.
B) They became so weak that they could hardly move.
C) They lived much longer than rats normally do.
D) They became more susceptible to various diseases.
Deserts differ across the world. (a) Acacia trees between a gravel plain and sand dunes in the Namib
Food web associated with algal turf during the summer in the Eel River, California.
A Crab-eating Macaque, an old world species of monkey native to Southeast Asia
Ten Leading Causes of Death in the World, 2011
Metallic Resources in the World
The European Alps have lost ~30% to 40% of surface area and ~50% of volume since the 1850s.