In todays world, hunters and gatherers are found _____.
a. on land very poorly suited for agriculture
b. in a few, very dense populations
c. living permanently on arid lands near waterholes, where animals can be easily hunted
d. living in large extended families
e. only in Africa
Question 2
Which of the following statements about optimal foraging theory is true?
a. Foragers store food for a season only.
b. Foragers take only the plants and animals they need to subsidize their caloric intake.
c. Foragers decide to seek out one food source over another based on whether the search will be worth the effort.
d. Foragers no longer exist in the world; all peoples today use food production techniques.
e. Foragers very frequently exceed the carrying capacity of their environments.
World fossil fuel consumption since 1950
Parabola Real World Example
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
From this 1946 photo, you can see how computers have changed. This is the ENIAC, the world’s first ...
Land and sea breezes
Distribution of the World’s Population