Similarity due to convergent evolution is called
A. analogy.
B. homology.
C. taxonomy.
D. cladistics.
E. phylogeny.
Ans: A. analogy.
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Placing celery sticks in fresh water will make them more turgid and harder. This is because
A. the celery is hypotonic to fresh water. B. the celery is hypertonic to fresh water. C. the celery is isotonic to fresh water. D. water moves from the celery sticks into fresh water. E. None of the choices are correct.
Forks, Washington receives about 270
centimeters of rain per year. On the other side of the Olympic Mountains only 70 miles away, Sequim, Washington receives about 40 centimeters of rainfall per year. Both are close to major bodies of water and at the same elevation. What is the most likely reason for why there is such a large difference in rainfall between the two towns?
a. Sequim is probably at a latitude closer to 30 degrees while Forks is probably at a latitude closer to 90 degrees b. Sequim is in the rain shadow of the Olympic Mountains c. Sequim probably is receiving a higher amount of solar radiation than Forks d. the ocean near Sequim is drier than the ocean near Forks e. none of these answers are plausible
How many Americans will deal with cancer in their lifetime?
A. all B. one in two C. one in three D. one in five E. one in four
A clinical microbiologist makes serial dilutions of several antimicrobics in broth, and then incubates each drug dilution series with a standard amount of a patient's isolated pathogen. What is this microbiologist setting up?
A. minimum inhibitory concentration (MIC) B. therapeutic index (TI) C. antibiogram D. Kirby-Bauer test E. E-test