How many plants have been domesticated?
What will be an ideal response?
Over the course of human history, several thousand species of plants have been used for food, but less than a hundred of these were ever domesticated.
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Kinship systems are organized around __________ and rules of marriage
a. rules of inheritance b. biological relationships c. rules of descent d. households
Food producers have less craft specialization than food foragers
a. True b. False
Why is biological race difficult to determine?
A) Measurements reveal that people are as different from others classified in the same race as they are from those in different races. B) We do not know how many skeletal traits ultimately constitute a different race. C) Most people cannot see beyond their prejudices and do not consider the appropriate traits in their classification. D) Internal traits are more important in the separation of races than those we see superficially. E) Race does not exist biologically or socially.
An example of a learned behavior among chimps is the use of a _______ to extract and eat safari ants
a. spoon b. spear c. wand or stick d. fruit