Which of the following characteristics is not shared by both a horse and the grass it eats - uses energy - response to stimulus - movement from place to place - stable internal environment

Which sentence best expresses the differing opinions of these two book reviews?

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.

Which of the following shows the correct order in which light information travels through the eye? (2 points) lens, pupil, retina, optic nerve pupil, lens, retina, optic nerve pupil, lens, optic nerve, retina lens, pupil, optic nerve, retina