The most common limit to plant growth is the lack of which nutrient?
a. carbon
b. hydrogen
c. oxygen
d. nitrogen
Ans: d. nitrogen
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A complication risk of gastric bypass surgery that bypasses most of the small intestine is
A. loss of muscle tone B. type 2 diabetes C. vitamin and mineral deficiencies D. kidney failure E. cessation of insulin production
Two genes that share a common ancestral gene will probably have significant homology
Indicate whether the statement is true or false
If it were part of a food web, a pigeon could be eaten by
A. humans. B. hawks. C. cats and dogs. D. All of these answers are true.
Which of the following does NOT affect the rate of diffusion?
a) solvent density b) temperature c) mass of the molecule diffusing d) extent of the concentration gradient e) all of these affect the rate of diffusion