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animals that have a true coelom, which is a fluid-filled body cavity completely lined with tissue that is derived from the mesoderm.
the process of removing salt and other minerals from seawater, to make it drinkable.
neurons that have more than two outgrowths from the cell body.
the main force responsible for the upwards movement of water in the xylem.
cone-shaped mammalian teeth used to grip and tear off pieces of meat.