BIOLOGY
BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 43, Problem 1U

Which of these is NOT a method by which sensory receptors receive information about the internal or external environment?

a. Changes in pressure

b. Light or heat changes

c. Changes in molecular concentration

d. All of these are used by sensory receptors.

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