True or false: The specialized salt glands that allow marine birds to drink sea water are found in the nasal cavity; in humans, these glands are found in the esophagus
A. true
B. false
B
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Synaptic vesicles discharge their contents by exocytosis at the
A. dendrite. B. axon hillock. C. nodes of Ranvier. D. postsynaptic membrane. E. presynaptic membrane.
In the context of vision, what does accommodation mean?
a. Accommodation is the lack of receptor response to continuous light signals. b. Accommodation refers to changing the shape of the lens. c. Accommodation is the movement of the lens closer to or further away from the retina in order to focus the d. Accommodation keeps the lens under tension to allow for image focusing. e. Accommodation prevents light from scattering upon entry to the eye.
The thermocline is permanent in tropical bodies of water and seasonal in temperate bodies of water
Indicate whether the statement is true or false
A measure of the average kinetic energy of the molecules making up a substance is known as
A. temperature. B. heat. C. potential. D. phase of matter.