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ground tissue with thin-walled cells that makes up most of the plant body. These cells are used for food and water storage, gaseous exchange and cell division.
an injection of a weakened or dead pathogen into the body to build up immunity against a disease...
small protrusions on the surface of mammalian teeth (premolars and molars), which help to grind...
the gradual wasting away of the body caused by severe malnutrition, in the form of inadequate...
all the ecosystems on the Earth, all the species within these ecosystems and the genetic...
states that the cell membrane consists of a double layer of phospholipids in association with...