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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).
reproductive or sex cells that contain the haploid set of chromosomes. The male gametes are...
the movement of an organism in response to a one-directional source of light when the stimulus...
single-celled algae that have two flagella and are found mainly in seawater but are also common...
the ability of a liquid to spontaneously rise up a narrow space, such as that found in xylem...