What is true about index fossil?
A. they occur for limited periods of time but are widely distributed.
B. They evolve rapidly and are easily identified
C. They are used in the dating of rocks and other fossils
D. Pigs, primates and rodents are good examples.
Answer is A. they occur for limited periods of time but are widely distributed. (An organism that was geographically widespread but limited to a short span of geologic time)
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Gender roles are the instinctual behaviors that are the exclusive domain of each sex
Indicate whether the statement is true or false.
Population geneticists use the Hardy-Weinberg equilibrium equation to determine
a. whether evolution is occurring at all loci throughout the genome simultaneously. b. whether evolution is occurring at a given locus. c. the mode of inheritance of Mendelian traits. d. whether a particular trait is polygenic. e. whether a particular trait is polygamous.
Norms specifying behaviors that are prohibited in a culture are __________
a. crimes b. mores c. taboos d. conventions
According to the text, North American societies reflect a pervasive fear and profound sense of distrust.
a. true b. false