Which Is True

question 53

Multiple Choice

Which is true?

• A)Liberals outnumber conservatives, but their proportion did not increase in the 1980s and 1990s.
• B)Conservatives outnumber liberals, but their proportion did not increase in the 1980s and 1990s.
• C)Liberals outnumber conservatives, and their proportion increased in the 1980s and 1990s.
• D)Conservatives outnumber liberals, and their proportion increased in the 1980s and 1990s.
• E)Libertarians outnumber liberals, and their proportion increased in the 1980s and 1990s.

---

Definitions:

Sociobiology

The scientific study of the biological aspects of social behavior in animals and humans.

E. O. Wilson

An influential American biologist who was a leading researcher in sociobiology, biodiversity, and the importance of ants and other small creatures in ecosystems.

N. Tinbergen

Nikolaas Tinbergen was a Dutch biologist and ornithologist who won the Nobel Prize in Physiology or Medicine for his discoveries concerning social behavior patterns in animals.

Altruistic Behavior

Behavior in which one individual helps another, seemingly at its own risk or expense.