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science leaf anatomy

Across
the vascular tissue in plants that conducts sugars and other metabolic products downward from the leaves.
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
The factory in which creates photosynthesis.
Down
a green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring.
a plastid that contains chlorophyll and in which photosynthesis takes place.
energy sent out in the form of electromagnetic waves
any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width which allows movement of gases in and out of the intercellular spaces.
the vascular tissue in plants that conducts water and dissolved nutrients upward from the root and also helps to form the woody element in the stem.