The Western Shoshone would congregate in the mountains in the fall in order to
a. stage communal buffalo hunts.
b. defend against attack by their eastern neighbors.
c. take advantage of the salmon runs.
d. harvest pine nuts.
d
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The term __________ is commonly used interchangeably with the term subspecies
a. deme b. population c. race d. gene pool
Answer the following statement(s) true (T) or false (F)
1. A billion is 1000 million. 2. According to the principle of superposition, the older sedimentary beds lie beneath the younger beds. 3. The statistical measure of the rate of decay of a radioactive isotope is termed its half-life. 4. Potassium-argon can be used to directly date bone. 5. A needle on a compass points to magnetic north. Magnetic north has always been in the same relative position.
Sir Charles Lyell, the father of geology, influenced Darwin with his principle of catastrophism, the view that extinct species were destroyed by fires, floods, and other catastrophes. His geological research was also critical in Darwin's own formulations because it
A. influenced the work of Darwin's own grandfather, who would eventually set young Darwin on the path of scientific research. B. confirmed Linnaeus's comprehensive and still influential taxonomic system, which was key to formulating a mechanism that drives evolution. C. set the foundations for molecular dating techniques. D. confirmed that the world was only 6,000 years old. E. cast serious doubt on the belief that the world was only 6,000 years old, allowing for a much broader time span for the gradual biological changes to take place as seen in the fossil record.
All foragers are or were egalitarian
a. True b. False