Summation increases muscle force by increasing ________.
Fill in the blank(s) with the appropriate word(s).
Answer: the rate of stimulation
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The inability of organisms to evolve anything that could be an advantage reflects _____
A) the limits of historical constraints B) the inability to compromise C) the consequences of random mutations D) the consequences of inbreeding
Which of the following is(are) associated with balance?
a. semicircular canals b. cochlea c. incus, malleus, and stapes d. eardrum and ear canal
A health care provider who suspects that a woman may have vaginitis caused by Candida infection can confirm that by
A. submitting a sample of the discharge for PCR amplification. B. submitting a sample of the discharge for metagenomic sequencing. C. identifying pseudohyphae in a Gram-stained smear examined using a light microscope. D. plating a sample of the discharge on a medium containing salt as a selective agent. E. identifying the characteristic protozoans in a smear examined using a fluorescence microscope.
In mixed assemblages, baboons sometimes see predators that impala do not hear, and impala sometimes hear predators that baboons do not see. In both cases, the flight of one species alerts the other to danger. This interaction is an example of:
a. an indirect relationship b. commensalism c. mutualism d. competition e. symbiosis