Sound is "heard" when sound waves cause structures inside your ears to physically vibrate. A signal is then sent to your brain where it is interpreted as sound. What type of receptor in the ear is responsible for the sense of hearing?
A) Chemoreceptors
B) Electromagnetic receptors
C) Mechanoreceptors
D) Thermoreceptors
C
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Evolution, viewed on a small scale, as it relates to changes in a single gene or allele frequency in a population over time, is called
A. macroevolution. B. speciation. C. genetic evolution. D. phenotypic evolution. E. microevolution.
The components of vertebrate blood include
A. plasma. B. leukocytes. C. erythrocytes. D. platelets. E. All of the choices for this question are correct.
The difference between a stable isotope and a radioisotope is that:a
the stable isotope emits radiation. b. the radioisotope emits radiation. c. the stable isotope emits light. d. the stable isotope absorbs radiation. e. the radioisotope has an unequal number of protons and electrons.
Mirror-image stereoisomers are also optical isomers.
a. true b. false