When a European robin orients by the earth’s magnetic field, it is described as _____ directional differences
a. “feeling”
b. “seeing”
c. “sensing”
d. “predicting”
e. “assuming”
ANSWER: b
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Can energy be harvested by the cells from glucose without oxygen?
A. Yes, about as much as with oxygen. B. No, oxygen is required to harvest any energy from glucose. C. Yes, but not quite as much as with oxygen. D. Yes, but much less than with oxygen.
The duck-billed platypus shares which of the following traits with non-mammalian animals?
a. teeth. b. lack of cloaca. c. laying eggs. d. hair. e. females produce mile.
The disinfectant screening method that is known as the ________ ________ test, is used to measure the potency of a disinfectant.
Fill in the blank(s) with the appropriate word(s).
Which type of metabolism is unique to prokaryotes?
a. chemoheterotroph b. photoheterotroph c. photolithotroph d. photoautotroph