Marine fouling is
A) damage to ocean structures that is the result of corrosion by pesticides.
B) encrusting of ships, piers, and marine pipes by sessile marine organisms.
C) controlled both by biocides and low-friction polymers.
D) a threat to supplies of fresh water caused by toxins secreted by marine organisms in desalination plants.
Question 2
The local health department is trying to limit the spread of West Nile virus in a suburban community. West Nile Virus is spread by mosquitoes as they feed.
In newspapers and on the radio, people in the region are told to drain standing water from any places where mosquitoes might breed. In addition, the health department announces that in a week, they will begin spraying a fog of mosquito poison in the early evening, as soon as the sun sets and mosquitoes become most active. The approach taken by this health department best represents A) chemical treatment.
B) agricultural treatment.
C) ecological control.
D) integrated pest management.
Major structures of the human brain.
Schematic of typical animal cell depicting the various organelles and structures.
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Limestone: A Marine Sedimentary Rock
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