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the excessive growth of alga and hydrophytes in response to the addition of artificial or natural substances, such as nitrates and phosphates, because of fertilizers or sewage being added to an aquatic system. This also results in the depletion of oxygen in the water, which induces reductions in specific fish and other animal populations.
sharp-edged modified last upper premolar and the first molar in carnivores adapted to shear or...
informal, local knowledge that has been built up over the centuries by the people who live in a...
teeth found at the back of the mouth just in front of the molars in the mammalian jaw, used for...