Which of the following DOES NOT have a major effect on the rate of transpiration?
a. air temperature
b. relative humidity
c. air movement
d. amount of direct solar radiation
e. daily fluctuations in atmospheric carbon dioxide concentrations
E
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The cycle of viral infection that will rapidly result in the death of a bacterial cell is called the ________ cycle.
A. lytic B. lysogenic C. lysozyme D. retroviral
In a marine environment, what is the function of the structure on Figure 48-2 labeled A?
a. salt excretion
b. water gain by osmosis
c. drinking
d. removal of salts and nitrogenous wastes from the blood
e. release of nitrogenous wastes
Which of the following is least likely an impact of acid rain?
A. It stops fish egg development. B. It can burn foliage. C. It releases toxins in the soil. D. It causes eutrophication. E. It can kill adult aquatic organisms.
Which one of the following incorrectly matches a molluscan group with a feature characterizing that group?
A. Polyplacophora-eight calcareous plates B. Gastropoda-torsion C. Bivalvia-reduced head and no radula D. Nudibranchs-extensive gills in mantle cavity E. Cephalopoda-closed circulatory system