In reality, biomes
a. are not uniform but consist of a mosaic of patches each with somewhat different biological communities
b. are not uniform but consist of a mosaic of patches, each with the same biological communities
c. are very uniform, but can have normal variations in temperatures from one region to another
d. are very uniform in order to resist environmental disruptions
e. are very diverse in order to resist environmental disruptions to the sameness of all communities in the biome
A
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Since the mutation produced a specific wing trait that was passed on, the mutation must have occurred
a. in wing cells b. in reproductive cells c. as a result of exposure to a chemical agent d. as a result of UV light e. because of the type of pollen the bee collected
All of the following have been recognized as earthquake precursors except
A. changes in frequency of seismic sea waves. B. changes in electrical resistivity of rocks. C. changes in the ground's surface tilt. D. changes in radon content of well waters.
Japan invests in factories in less developed countries to manufacture items that are low in the value-added scale. These countries include all EXCEPT
A) Vietnam. B) Indonesia. C) Singapore. D) Thailand.
Which of the following is the name of the smallest cyclic ether?
A) ethylene oxide B) methylene oxide C) tetrahydrofuran D) none of these