Title Work Title No: 15761 Medium: Moving Image Date: 1962 (Release) Original Summary: "Uses time-lapse photography and animation to show how plant cell division, elongation, and differentiation assure both stem and root growth. Illustrates the xylem and phloem-making functions of cambium. Presents experiments dealing with the effect of hormones on cell division and elongation, and the effects of certain stimuli--gravity and light--on plant growth." - Summary from Worldcat. Countries of Origin: U.S.A. Genres: Educational
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