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to change over a period of time in response to new environmental conditions.
an area of land set aside for the dumping of waste.
unicellular fungi, most of which reproduce asexually by a process called budding.
the site where a nerve impulse is transmitted from one neuron to the next. There is no physical...
an organ system that passes nutrients, gases, hormones, blood cells, etc. to and from cells in...
the last part of the mammalian small intestine.