Oligotrophic lakes
A) remove nutrient-rich sediments from field runoff.
B) support dense plant communities.
C) provide breeding grounds for many fish and crustacean species.
D) have low levels of nutrients and few organisms.
E) depend on sulfur bacteria as the primary producers.
D
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One of the properties of cancer is its ability to spread, or ____________________, to other sites in the body. Fill in the blank(s) with the appropriate word(s)
Consider two species, one of which has an effective population size that is five orders of magnitude greater than the other. In which species would you expect to see a smaller genome size? Explain your reasoning
What will be an ideal response?
Out of the estimated total of 9 liters of material passing through the small intestine, how much of it is absorbed in the small intestine?
A. about 8.5 liters B. about 4.5 liters C. about 350 milliliters D. about 50 milliliters E. all of it