Four of the following are key factors that help to determine the types and numbers of organisms found in the various layers of both freshwater and marine systems. What is the exception?
A. algal bloom
B. availability of nutrients
C. temperature
D. dissolved oxygen levels
E. availability of food
Answer: A
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This diagram features a
A) cyclone, southern hemisphere.
B) anticyclone, northern hemisphere.
C) cyclone, northern hemisphere.
D) anticyclone, southern hemisphere.
Summertime high pressure systems
A) can cause drought. B) often stay relatively stationary for a week or more at a time. C) contributed to the death of John F. Kennedy, Jr. D) do not have large horizontal temperature gradients. E) all of the above
The Biosphere 2 experiment was a complete success.
Answer the following statement true (T) or false (F)
Of the places listed below, ocean waters generally have the least salinity in ________
A) subtropical zones B) polar regions C) small seas and gulfs D) hot places E) places with lack of rainfall