Evolutionary biologists define altruism as behavior that:
A. decreases the reproductive success of an individual but benefits the reproductive success of another individual
B. benefits the reproductive success of another individual without having any effect on the fitness of the individual doing the altruism
C. increases the reproductive success of an individual but decreases the reproductive success of another individual
D. benefits the reproductive success of both the individual doing the altruism and the other individual involved
A. decreases the reproductive success of an individual but benefits the reproductive success of another individual
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What is comparative cytogenetics? What has been learned about the relationship between species from comparative cytogenetic research?
What will be an ideal response?
The rise in female employment in the United States, especially in professional careers, when coupled with ________, has dramatically increased household incomes in the upper classes. This pattern has been one factor sharpening the contrast in household income between the richest and poorest populations of Americans.
A. exogamy B. sororal polygyny C. endogamy D. serial monogamy E. homogamy
In the barrel model of culture, subsistence is considered part of the level called _______________
Fill in the blank(s) with correct word
In some state societies today, women hold the majority of leadership positions in the government
a. True b. False