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a species that has a large effect on its environment relative to its abundance and plays an important role in maintaining the structure of the ecological community.
the form in which excess glucose is stored in the liver and muscles of mammals.
a pattern of abnormalities found in babies born to mothers who drank excessive amounts of...
energy resources such as coal and oil, which are being used up much more quickly than they can...
the transfer of pollen from the anther to the stigma of the same plant (self-pollination) or of...
the forming new plants asexually (without the production of seeds or spores).