Can you explain any differences in average spot number associated with the different type of predators?
a. There should be no difference in selective pressure from killifish versus cichlids.
b. Cichlids are apparently more dangerous as predators to guppies, and thus canbe expected to exert a stronger selective pressure affecting spot number
c. Killifish are the more dangerous predator to guppies and thus they would bemore likely to exert the stronger selective pressure.
b
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E. coli has been isolated and cultured from three different individuals. Upon biochemical testing of these three cultures, you find that there are differences in some reactions. What is the best explanation of these differences?
A. These represent three different species of E. coli. B. This is normal genetic variation seen among strains of E. coli. C. The other two cultures are not really E. coli. D. Mistakes have been made in the test interpretation. E. Two of the cultures are mutants of the other.
____________ asteroids are more common in the outer asteroid belt where it is cooler. They are darker and may be carbonaceous
a. S-type b. M-type c. C-type
What is the name for a single cell or a few large cells that contain more than one nucleus and surround a relatively large vacuole?
a. Coenocytic thallus b. Thallus c. Holdfast d. Stipe
What is the process that occurs inside cells that produces long strands of amino acids?
A. Cellular respiration B. Protein synthesis C. Exocytosis D. Membrane transport