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the excessive growth of alga and hydrophytes in response to the addition of artificial or...
the loss of water from the land to the atmosphere by evaporation from land and water surfaces,...
to change over a period of time in response to new environmental conditions.
the elimination of the waste products of metabolism from the body.
a gland which secretes substances, usually enzymes, through a duct directly to the part of the...
small pieces of the parent plant grown in plant-tissue culture.
this muscle 'opens' or straightens the joint when it contracts (so the angle between the two...