Which of the following areas of the body have mucous membranes?
A) mouth
B) nasal cavity
C) urinary system
D) mouth and nasal cavity
E) mouth, nasal cavity, and urinary system
E
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The transduction of sound waves into electrical signals takes place
A. within the tectorial membrane as it is stimulated by the hair cell. B. within hair cells as they are bent against the tectorial membrane, causing them to depolarize and release neurotransmitter that stimulates sensory neurons. C. as the basilar membrane becomes more permeable to sodium ions and depolarizes, initiating an action potential in a sensory neuron. D. as the basilar membrane vibrates at different frequencies in response to the varying volume of sounds. E. within the middle ear as the vibrations are amplified by the malleus, incus and stapes.
Which animal from the list below relies the most on instinctive behavior?
A. jellyfish B. trout C. bear D. robin
The process by which a single cell differentiates into a specialized multicellular organism is
A. heredity. B. coordination. C. development. D. multicellularity.
Which of the following equations displays the correct relationship?
a. indirect fitness + direct fitness = inclusive fitness b. inclusive fitness + direct fitness = indirect fitness c. indirect fitness + inclusive fitness =direct fitness d. direct fitness – inclusive fitness = direct fitness