In general, the species most vulnerable to extinction are those that are
A) endemic, highly specialized, or limited to a single population.
B) endemic and widespread in several large regions.
C) genetically diverse and found in many regions.
D) widespread but are not dominant in an ecosystem.
A
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Long Island and Cape Cod both were created from ________ and then later reworked by ________.
A) glacial deposits; ocean waves B) wind-blown sand; glaciers C) sea level rise; wind
The most important source of airborne pollutants is ________
Fill in the blank(s) with the appropriate word(s).
Which environmental conditions are most favorable for hurricane formation?
A) Winds are light, humidity is high, and surface water temperature is warm. B) Winds are light, humidity is low, and surface water temperature is cool. C) Winds are high, humidity is high, and surface water temperature is cool. D) Winds are high, humidity is low, and surface water temperature is warm.
Most hot spots are considered to be
A. seamounts with no active flow of lava. B. volcanoes with an active lava flow. C. crustal expressions of a rising plume of hot magma.