Several different classes make up a
a. kingdom
b. phylum
c. family
d. genus
Ans: b. phylum
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New species evolve from preexisting species by the accumulation of ______.
A. metabolic events B. genetic mutations C. proteomes D. reproductive events E. developmental events
Which of the following statements about plant toxins against herbivores is false?
A. The toxin may be kept in a membrane-bound structure to keep it from harming the plant. B. The toxin may not be toxic unless it is metabolized in the intestine of a herbivore. C. The toxin may have also have a bad taste. D. Even a little bit of the toxin will be deadly. E. Some toxins can over stimulate particular physiological processes.
What type of test would you use to determine the relative order of more than two genes?
What will be an ideal response?
Which word is defined by this statement: A measure of this disorder, or randomness?
a. energy b. entropy c. enthalpy d. mass e. catabolism