Distribution of the Earth's water. Earth is known as the Blue Planet because 71 percent of the Earth's surface is covered with water. Water also exists below land surface and as water vapor in the air. Water is a finite source. The bottled water that is consumed today might possibly be the same water that once trickled down the back of a wooly mammoth.
neoplasm, n (tumor), an abnormal mass of tissue, the growth of which exceeds and is uncoordinated with that of the normal tissues. It persists in the same excessive manner after cessation of the stimuli that evoked the change. Benign and malignant forms are recognized. See also neoplasia and tumor.
By Sally Robertson, BSc. The term neoplasm refers to an abnormal growth of tissue caused by the rapid division of cells that have undergone some form of mutation.The body is made up of trillions of cells that grow, divide, and die in an orderly fashion.y Sally Robertson, BSc. The term neoplasm refers to an abnormal growth of tissue caused by the rapid division of cells that have undergone some form of mutation.