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the transfer of pollen from the anther to the stigma of the same plant (self-pollination) or of different plants of the same species (cross-pollination).
the breakdown of food into smaller pieces by chewing and peristalsis.
is one-millionth of a metre or one-thousandth of a millimetre (0,001 mm). Its unit symbol in the...
the formation of the energy transporting molecule (ATP) to be used in the light independent...
the blood vessel that carries blood from the digestive tract to the liver.
(also called pith rays) sections of the medulla that occur between the vascular bundles.