Which one of the following does NOT belong with the others?
A) bacitracin
B) cephalosporin
C) monobactam
D) penicillin
E) streptomycin
E
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In arid terrestrial environments, salt can accumulate in the soil because of
A. the selective uptake of water by plants. B. the activities of grazing animals. C. the precipitation of salt from dry air. D. the secretion of salt by plants. E. the settlement and evaporation of water.
Similarity in any type of biological trait resulting from shared ancestry is called ____
a. homology b. homoplasy c. exaptation d. anagenesis e. cladogenesis
Which of the following glands secretes hormones that enable the body to respond to stress?
A) pancreas B) adrenal C) pineal D) parathyroid
Salmon are able to live in both fresh water and salt water. Salmon are therefore:
A. conformers. B. effectors. C. regulators. D. conditioned.