Which distribution is the rarest found in communities?
a. Random distribution
b. Uniform distribution
c. Clumped distribution
d. Normal distribution
ANS: B
Uniform distribution is when the organisms in a community are at equal distances from one another.
This would indicate that the nutrients and environmental factors are evenly distributed as well. Most of
the time there are patches of nutrients. The best example of this type of distribution is that of garden
eels. Information can be found in the section Communities Consist of Interacting Producers,
Consumers, and Decomposers
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An RNA transcript constructed from the DNA sequence ATTGC would have the nucleotide sequence
A) ATTGC. B) AUUGC. C) UAACG. D) TAACG.
The youngest event represented in this block diagram is
A. erosion of a canyon by a river. B. formation of the lowest layer. C. retreat of the seas. D. deposition of the top layer.
Which of the following is an application of the principle of constant proportions?
A) Calcium carbonate dissolves at an increasing rate with increasing depth until the calcite compensation depth is reached. B) Increasing pressure increases the number of water molecules in a given volume and inhibits the number of ice crystals. C) Siliceous ooze accumulates on the ocean floor as it is being dissolved because it accumulates siliceous tests faster than seawater can dissolve them. D) The concentration of a single major constituent can be measured to determine the total salinity of a water sample.
As females in a society receive more education, rates of natural increase drop
Indicate whether this statement is true or false.