The period during which female mammals other than humans are sexually receptive is called
a. mensis.
b. estrus.
c. hormonal readiness.
d. androgyny.
ANSWER: b
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You train your dog Milo to salivate to the sound of a bell. Then you ring the bell every five minutes and don't follow the ringing with food for Milo. He salivates less and less and finally stops salivating at all when the bell rings
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__________ declines as preschoolers' improved capacity to delay gratification enables them to resist grabbing others' possessions
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