What is essential in the restoration and continuation of photosynthetic productivity in the ocean?
a. Upwelling
b. Blooming
c. Light
d. Carbon dioxide
ANS: A
The upwelling of deep water returns nonconservative nutrients to surface waters. Information can be
found in the section Lack of Nutrients and Light can limit Primary Productivity.
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As more disorder occurs in a system, entropy
A. decreases. B. increases. C. remains the same. D. none of the above
Indians living abroad make up the:
A) working class B) Indian diaspora C) Indian egress D) Indian traders
Hurricanes, flooding, and fire are examples of disturbances that result in secondary succession.
Answer the following statement true (T) or false (F)
Construction of a breakwater produces the same effect as what kind of natural coastal structure?
A) a spit, formed by sand moving by longshore drift accumulating along the opening of a tidal channel B) a barrier island, which forms an artificial beach at the front of the breakwater C) an island offshore breaking waves and trapping sand behind to form a tombolo D) a sea cliff producing erosion at the base of the sea cliff (i.e. breakwater)