The first jaws evolved from:
A. gill bars
B. vertebral spines
C. pectoral girdle
D. none of these
A. gill bars
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The increased period of infant dependency typical of primates
a. requires less intense and efficient rearing of the offspring. b. requires greater parental investment. c. provides less opportunities for the offspring to learn social behaviors. d. is not correlated with delayed maturation. e. is a direct cause of tantrum syndrome.
People in the Betsileo village of Ivato (Madagascar) felt that they already had all they needed because they produced, rather than bought, almost everything they used
Indicate whether the statement is true or false.
Social problems or issues, especially those that arise as a result of the distribution of power in society, are the focus of __________ perspectives
a. conflict b. materialist c. structuralist d. interpretive
Species that produce relatively large numbers of offspring and invest little parental care are said to be
a. K-selected. b. r-selected c. p-selected. d. alloparental. e. sympatric.