Examlex
Which of the following are strategies with which vertebrate hosts counteract the asymmetries between most pathogens and their hosts?
Variable-Interval
A schedule of reinforcement where a response is rewarded after an unpredictable amount of time has passed.
Fixed-Interval
Pertaining to a schedule of reinforcement where the first response is rewarded only after a specified amount of time has elapsed.
Unpredictable
The inability to be foreseen or predicted due to variability or randomness in behavior or events.
Specified
Clearly stated, described, or defined in detail.
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