Limiting Factors
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Discusses various physical and biological factors, which operate to restrict certain animals to certain areas. Deals with such factors as light, water, radiation, salinity, chemicals, oxygen, and temperature. Concludes that knowledge of the above factors enables scientists to produce better plants and control insect pests.
Related films
Sources
- 16mm Filmography (legacy record) — title, creator, length, format, color, description, catalog record
- Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education) — title, creator, length, color, description
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