Which community has the highest level of net primary production?
a. Rain forests
b. Kelp forests
c. Coral reefs
d. Open ocean
ANS: C
Coral reefs are extremely important in primary production, especially in the ocean. They can have a
net primary productivity of 2,200 grams of carbon per square meter of surface ocean in a year. Primary
productivity is the synthesis of organic materials from inorganic substances using photosynthesis or
chemosynthesis. Information can be found in the section Primary Productivity Is the Synthesis of
Organic Materials.
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Why can regions with a desert climate be found next to an ocean, which is generally an abundant source of moist air?
What will be an ideal response?
The marine layer
A) is warm. B) is dry. C) lies above the tradewind inversion. D) increases in height in a westerly direction.
A city located on the east coast of the United States with hot, muggy summers and mild winters (an average temperature above 27°F during the coldest month) has a ____ climate
A) moist subtropical (Cfa) climate B) Mediterranean (Cs) climate C) tropical wet and dry climate (Aw) D) moist continental (Dfa)
Under normal conditions which of the following is involved in the reabsorption of water?
A) insulin B) oxytocin C) vasopressin D) none of these