The key lesson learned by the fact that thalidomide showed no impact when tested on pregnant rats but led to birth defects in humans is that

a. teratogens impact different genotypes differently

b. teratogens impact specific aspects of development.
c. teratogen effects may not emerge until later in life.
d. teratogen effects are the same regardless of the time when the individual is exposed.

a

Psychology

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Ms. Dean modeled how to solve addition and subtraction problems to her 2nd grade class. She then broke the class into groups of four and had them take turns teaching one another addition and subtraction. Proficient students helped struggling students and each student explained their approach to solving math problems. This is an example of

What will be an ideal response?

Psychology

The largest "family" of second-generation psychologists was fostered by ____.?

a. ?Titchener b. ?James c. ?Binet d. ?Cattell e. ?Watson

Psychology