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Science concepts-5


taproot system a root system in wich there is one large root and many small, thin roots
herbaceous stem a stem that is soft and green
woody stem a stem that contains wood
xylem the tissue that carries water and dissolved minerals upward from the roots
phloem the tissue that carries dissolved food from the leaves throughout the plant
veins bundles of tubes that contain the xylem and phloem in the leaves
simple leaf a leaf in which the blade is in one piece
compound leaf a leaf in which the blade is divided into leaflets
epidermis the outer, protective layer of the leaf
mesophyll the middle layer of leaf tissue in which food-making occurs
stomates tiny openings in the upper and lower epidermis of the leaf
photosynthesis the food-making in plant leaves which uses sunlight
chloroplast a part of a green plant where photosynthesis goes on
chlorophyll the chemical in chloroplasts that is needed for photosynthesis
Created by: kkinder