Biology, 28.01.2020 15:02, McKenzie8409
The retina is a photosensitive tissue that contains the special photoreceptor cells. what is the purpose of these photoreceptor cells?
a. to convert light to electrical impulses
b. to invert the image right-side up again
c. to focus light waves on the back wall of the eye
d. to convert black and white into color
Answers: 2
Biology, 22.06.2019 07:00, Nicaragua505
8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.
Answers: 3
Biology, 22.06.2019 21:50, tatianaflores9040
Acodon consists of bases and specifies which will be inserted into the polypeptide chain.
Answers: 2
The retina is a photosensitive tissue that contains the special photoreceptor cells. what is the pur...
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