A keystone species
A) has a disproportionately large impact on the stability of an ecosystem.
B) typically reduces overall biodiversity of an ecosystem.
C) is typically an herbivore.
D) is an example of amensalism.
A
Environmental & Atmospheric Sciences
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Describe the change in the water-table elevation from ???? to ????. What will be an ideal response?
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A substance in the physical environment that has value to human beings is
A) energy. B) a reserve. C) a resource. D) power. E) a mineral.
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The New Madrid and Charleston earthquakes were ________ earthquakes
Fill in the blank(s) with correct word
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