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the non-living ground tissue with thick-walled cells that gives strength, support and protection to a plant. Cells occur as fibres and sclereids.
pigments that occur in the brightly coloured, yellow, orange or red parts of the plant, such as...
neurons that transmit nerve impulses away from the central nervous system to the effectors.
teeth found at the back of the mouth just in front of the molars in the mammalian jaw, used for...
organisms that feed on dead organic matter and thereby release nutrients back into the soil.