A key difference between classification methods and identification methods is that classification methods are designed to
a. examine an organism's staining characteristics
b. determine the oxygen requirements of an organism
c. determine evolutionary relationships of organisms
d. determine if an organism is resistant to antibiotics
e. determine an organism’s pathogenicity
Answer: c. determine evolutionary relationships of organisms
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Which of the following is most responsible for the increasing challenge of protist infections?
A. Protists are not always recognized by the host immune response. B. Protists are becoming completely resistant to the drugs used to control them. C. Protists are mutating and gaining virulence factors. D. The size of the susceptible population is growing as the number of patients with immunocompromising conditions is increasing.
If you were highly allergic to bee stings, which of the following would be dangerous for you to do?
A. wear sweet-smelling perfumes B. wear red shirts C. wear dark, drab clothing D. hum as you work E. None of the choices provided are dangerous.
A female chicken egg that has been fertilized by a rooster is an example of
A. differentiation. B. external fertilization. C. indirect development. D. direct development. E. internal fertilization.
Which feature of life is the ability to maintain a stable internal state?
a. energy production b. sensing the outside world c. reproduction d. homeostasis e. growth