Which of the following processes is under voluntary control?
a. filtration
b. reabsorption
c. urination
d. secretion
e. excretion
c
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In the resting state, due to the concentrations of sodium and potassium ions on either side of the plasma membrane, the neuron is said to be
a. activated. b. polarized c. unequal. d. charged. e. unbalanced.
If you lose your sensitivity to the sound of the waves but still notice a seagull flying above you, what is happening?
A. sensory adaptation in sight involving thermoreceptors B. sensory adaptation in sight and hearing involving mechanoreceptors C. competition between processing of hearing and sight involving light receptors D. sensory adaptation in hearing involving mechanoreceptors E. general sensory diminution involving mechanoreceptors and thermoreceptors
Which is a characteristic of parasites?
a. They are indiscriminate in their choice of host. b. They inflict serious injury and kill their host. c. Some reside inside their host, whereas others live outside their host. d. Parasitic hosts are always animals. e. They rarely harm their host.
The interaction between two species in which both species may be harmed is known as ____
a. parasitism b. mutualism c. competition d. predation e. commensalism