The genes for the long and medium wavelength receptor appear to be relatively recent mutations from a common gene origin; they may have evolved to ___
a. distinguish ripe fruit from green leaves
b. detect visual signals of sexual receptivity
c. detect blue sky from yellow sand
d. Both A and B have evidence
A
Psychology
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Alfred Adler emphasized which type of motivation?
a. The search for scientific understanding b. Adult sexuality c. Drive reduction d. Striving for superiority
Psychology
The phrase "science is objective" means that scientific answers are ____
a. based on direct observation b. based on logical reasoning c. not influenced by researcher bias d. made available for evaluation by others
Psychology