Bacteria-containing nodules in the roots of legume plants aid in the utilization of
A) water.
B) nitrogen.
C) carbon dioxide.
D) trace elements.
E) phosphates.
B
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In which of the following will isotopes of an element always differ?
a. number of protons b. number of electrons c. atomic mass d. atomic number e. None of the listed responses is correct.
The letter "A" in the accompanying figure represents the ____
a. humerus b. pectoral girdle c. skull d. sternum e. pelvic girdle
Probability calculations in which the word "or" is used involve the product rule.
Answer the following statement true (T) or false (F)
In a trait that shows continuous variation, what can we infer if the variance is low?
A) The majority of individuals will be far above the mean. B) The majority of individuals will be very close to the mean. C) The majority of individuals will be far below the mean. D) Relatively few individuals will be very close to the mean.