The body's muscle fibers

a. are mostly absent at birth and do not appear in great numbers until middle childhood.
b. become longer and thicker during childhood.
c. become shorter and thinner during childhood.
d. are fused together at birth, but gradually separate.

b

Psychology

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The application of the principles of evolution to understanding the animal and human mind is at the heart of a new field known as evolutionary __________

Genetics maybe?

Psychology

A real-estate agent is asked by her clients how much they should ask for their house. She just sold a house for $300,000, so she finds herself suggesting an amount within the same range. This is an example of _____________

A) belief perseverance B) confirmation bias C) the representativeness heuristic D) the anchoring effect

Psychology