In which trophic level is biological magnification most likely to have a deleterious impact?
1.primary producer
2.primary consumer
3.secondary consumer
4.tertiary consumer
4
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Humans incorporate nitrogen into their bodies
a. by nitrification. b. through ammonification. c. by assimilation and biosynthesis. d. via denitrification. e. by the process of decomposition.
An animal found in the rocky intertidal zone has eight overlapping plates and is tightly adhering to the
rock with a muscular foot. This animal is most likely a member of the class:A. Polyplacophora. B. Polychaeta. C. Bivalvia. D. Gastropoda. E. Cephalopoda.
To decrease air pollution created from sulfur emissions, your local power plant wishes to build tall smokestacks. The ultimate consequence of this would most likely be
A) biological magnification. B) dilution of sulfur pollutants in the atmosphere and thus reduction of their effects on the environment. C) creation of an environmental problem that is a distance from the power plant. D) a decrease in the pH of local lakes.
The microscopic space between nerve cells is called a:
A) Synapse B) Node C) Myelin sheath D) Cleft