When industrialization covered British trees with soot, moths with darker coloring became more numerous. When pollution was reduced again, lighter colored moths became more numerous. This situation illustrates the process of

A. artificial selection.
B. epigenetics.
C. fitness.
D. mutation.


Answer: C

Psychology

You might also like to view...

Which object would have the greatest amount of visual contour?

a. A series of black circles on a white background b. A gray ship on the ocean c. A pillow with pastel blobs of blue and yellow d. A clear baby-bottle filled with breast milk

Psychology

Which neo-Freudian theorist was the most prolific writer of the lot?

A. Adler B. Jung C. Horney D. Erikson

Psychology

Compared to young people, older people think about death more often but fear it less

Indicate whether the statement is true or false.

Psychology

Dr. Chudnofsky is interested in the smallest differences in the wavelength of light and the ability of humans to detect these differences. He should therefore design an experiment that will look at ______.

A. correct rejections B. absolute thresholds C. difference thresholds D. false alarms

Psychology