The bony, spiral-shaped sense organ used for hearing is the
A) basilar membrane.
B) cochlea.
C) timbre.
D) pinna.
Answer: B
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The drug RU-486 (mifepristone) requires several clinical administrations to cause an abortion
a. True b. False Indicate whether the statement is true or false
The part of the brain that has been found to be most active during lucid dreaming is the ________, which suggests that such dreams occur when this brain area just “wakes up” during sleep
a. ?bed nucleus of the stria terminalis b. ?the substantia nigra c. ?ventromedial superior colliculus d. ?dorsolateral prefrontal cortex
An independent variable is also referred to as a
a. level b. condition c. factor d. treatment
All of the following are true of chimpanzees except
a. they have well-defined social hierarchies. b. they use tools from one generation to the next via social learning. c. they possess culture in the form of greetings, grooming, and foraging. d. mother chimps and their babies point out objects for the other to see.