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With the Live Chlorella Green Algae Culture, Class Size of 30 for biology and life science, investigate green algae, which are a division that includes both microscopic and macroscopic forms found in a remarkable diversity of habitats
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Algal cultures are shipped in clear, two- to eight-ounce polystyrene jars. Immediately upon receipt, loosen caps and aerate cultures with clean pipet (included). Leave caps loosely in place to prevent contamination, yet permit air exchange. Cultures should receive diffuse light and be held in a temperature range of 18 to 22 °C. Maintain long-term cultures in clean culture dishes, flasks, or battery jars using an appropriate medium. For lighting use two 48-inch, 40-watt fluorescent bulbs (plant grow-light or wide-spectrum) at a height of 12 to 18 inches. Begin with a light cycle of 16 hours on 8 hours off and reduce to 12 hours on, 12 hours after 7 to 10 days. Subculture to fresh media every 6 to 8 weeks. Use Bristol's Modified Medium or Pringsheim's Soil Water as the culture medium.Chlorella. Small, spherical, single-celled algae. Common endosymbiont with Hydra and Paramecium species. Popular food organism for aquatic invertebrates. Green Algae includes both microscopic and macroscopic forms found in a remarkable diversity of habitats. The green algae are very common in aquatic and terrestrial environments and as endosymbionts among lichens, protozoans, and cnidaria. Food is stored as starch and pigments in the division are chlorophylls a and b, carotenes and xanthophylls.
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