Four of the five answers listed below are
related by a common association. Select the
EXCEPTION.
a. archaea
b. methanogens
c. photoautotroph
d. halophiles
e. thermophiles
C
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Pair the ribosomal structure with the correct organism.
A. Eukaryote B. Bacteria C. Archaea
Atmospheric levels of carbon dioxide have rapidly increased since the industrial revolution. One effect of increased atmospheric CO2 is global warming. What effect does increased CO2 have on plants?
A. some crops such as tomatoes and cucumbers may experienced enhanced growth rates B. C4 photosynthesis may become more important than C3 photosynthesis C. plants may be able to absorb carbon dioxide even with their stomata closed D. plants may no longer need light for photosynthesis
The evolution of a host race is due to the reproductive isolating mechanism called ____ isolation
a. behavioral b. temporal c. mechanical d. gametic e. ecological
In androgen insensitivity syndrome,
a. no testosterone is produced. b. chemicals circulating in the blood deactivate the male hormone. c. the cellular receptor for testosterone in the target cells is defective. d. the male with this defect is normal in all respects except that he is sterile. e. all of these are true.