The media offer a rich web of external connections—through cable, satellite, the Internet, television, movies, radio, telephones, print, and other sources—that can provide contact, information, entertainment, and potential social validation
Indicate whether the statement is true or false.
Answer: True
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Cuartoneros, often made up of the poorest men from the frontier town of San Borja, use a low-tech method of locating and harvesting mahogany trees. Their method depends on the natural resources of the forest and
a. access to logging roads. b. a compass and portable sawmill. c. cooperation with the larger, legal logging companies. d. chainsaws and outboard motors.
Archaeologist obtain information mainly from
a. artifacts b. artwork left behind by earlier cultures c. books written by early explorers d. folk stories passed down from various generations e. their own interpretation only
Which of the following does NOT promote speciation?
a. Geographic isolation b. Natural selection acting on populations c. Behavioral isolation d. Gene flow and interbreeding e. Accumulation of mutations
In the Hardy-Weinberg genetic equilibrium formula, p is the
a. frequency of the recessive allele. b. mutation rate. c. frequency of heterozygotes. d. frequency of the dominant allele. e. frequency of the dormant allele.