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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).
(also called lithospheric plates) massive, irregularly shaped slabs of solid rock.
a molecule that is built up of two or more different elements that are chemically joined...
a substance, usually a liquid, in which other substances can dissolve.
a form of asexual reproduction. It is an unequal cell division, in which a small cell forms...
minute pores in the epidermis of a leaf or stem which allows for movement of gases and water...