An organized category of people with membership on the basis of age is known as a/an ___________________________
Fill in the blank(s) with correct word
age grade
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Which statement concerning polygenic traits is FALSE?
a. They are governed by more than one genetic locus. b. Their expression is often influenced by genetic/environmental interactions. c. They account for most observable phenotypic variation in humans. d. They are not affected by environmental factors. e. They are continuous.
The dryopithecines were:
A. found only in North and South America. B. ancestors of apes and humans. C. one of the earliest mammal forms. D. Pleistocene ape ancestors.
Upon contact with Europeans, aboriginal Australian rock art __________
A) started portraying ships and men on horseback B) developed more complex patterns C) became used in more secret, ceremonial contexts D) disappeared entirely
Dendrochronology is an absolute dating method based on the comparison of tree-ring growth patterns and is also useful
A. in areas with varying environmental patterns. B. with any type of tree species. C. because it provides information about climatic patterns in specific regions. D. because it provides information for protecting water sources. E. in dating samples of more than 1 million years of age.