what kinds of molecular comparisons are useful for determining species relatedness
a. whole genome comparisons
b. single gene sequence comparisons
c. genetic code variation
d. the protein cytochrome c
e. amino acid sequence of a common protein
a. whole genome comparisons
b. single gene sequence comparisons
d. the protein cytochrome c
e. amino acid sequence of a common protein
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Here in the United States, we have used government money (raised through your or your parent's taxes) to supply water to arid areas in the western part of the country. What strategy would be the most effective to convince the majority of people to start conserving water?
A. Charge more money for it B. Encourage the use of gray water on the Internet C. Produce TV commercials showing high tech gadgets to save water D. Distribute rain barrels for free
What do the components of a conceptual model have in common?
A. Each component must correlate with a corresponding component of a physical model. B. All components are mutually independent of each other. C. All components interact with each other. D. The components have nothing in common. This is what differentiates a conceptual model from a physical model.
Glaciers can erode rock and sediment by the processes of _____
a. corrosion and deflation b. ablation and abrasion c. plucking and hydraulic action d. deflation and saltation e. plucking and abrasion
If extremely cold fresh water is added on top of seawater, ________.
A. the cold water will float at the surface B. the wind will control the surface mixing C. the cold water will sink to the bottom and stagnate D. an overturn will begin immediately E. the cold water will sink and move rapidly out of the area