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the part of the atmosphere that contains the ozone layer and is about 10 km above the Earth's surface.
unicellular fungi, most of which reproduce asexually by a process called budding.
the sheet-like muscle found below the ribcage that plays a vital role in breathing.
a mass of undifferentiated cells resulting from uncontrolled mitotic cell division in body...
a series of numbers that represents the types and arrangement of the teeth of a mammal.