Knowing that flash floods occur quickly when water runs off hard, dry ground would be an episodic memory

The retinal ganglion cells involved in sending visual information about color to the brain

do so by firing a. in unison. b. faster for some wavelengths than for others. c. in volleys. d. stronger action potentials for some colors, and weaker action potentials for others. e. contralaterally.

Because the environments of most twin pairs are less diverse than those of the general population,

A) heritability estimates are likely to exaggerate the role of heredity. B) it is often difficult to determine the heritability estimate. C) it is often difficult to conduct a kinship study. D) heritability estimates are likely to exaggerate the role of the environment.