The sound [f] is described as a voiceless labiodental fricative
Indicate whether the statement is true or false
TRUE
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Fossils that are millions of years old cannot be dated accurately using
A) argon-argon (Ar40/Ar39 ) B) potassium-argon (K/Ar) C) carbon 14 D) none of the above techniques extend a million years into the past E) all of the above techniques extend a million years into the past
Which Old World monkey is of special interest to paleoanthropologists because it lives in savannahs like those in which we expect ancestral humans may have lived?
a. baboons b. chimpanzees c. lemurs d. bonobos
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
The cooperative provisioning model correlates the evolution of a sexual division of labor with __________
a. nutritional elements b. monogamy c. the changing size of human societies d. the fact that males have different problems to overcome than females