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"Ward's Phenomena Lab Activities"
Live specimens are used for a wide variety of studies including studying the physiological effects of drugs on a specimen’s heartbeat and temperature on metabolism, the locomotion of microscopic organisms, and studying plant respiration, photosynthesis, plosmolysis, and more. Algal cultures form colonies of cells that are extremely easy to visualize for better understanding of cell walls and plastids, and many live specimens reproduce rapidly for quick turnover between successive tests.
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Ward's® Live Volvox aureus Culture
Volvox aureus is a species of colonial green algae that forms spherical colonies of cells.
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Ward's® Live Paramecium multimicronucleatum Culture
Paramecium multimicronucleatumis one of the largest species of Paramecium. This ciliate contains a single macronucleus and four or more micronuclei. Grows in Dilute Alfalfa medium (Hay Medium).
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Ward's® Live Bursaria truncatella Culture
Very large ciliate. Feeds on colpidium. Hay medium.
Characterized by cilia; nearly all possess two types of nuclei.
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Ward's® Live Chaos (Pelomyxa sp.) Culture
Members of the Pelomyxa genus look very much like Amoeba. Pelomyxa, however, have many nuclei, whereas Amoeba have only one.
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Live Physarum polycephalum Culture
This "many-headed" organism is a plasmodial slime mold commonly found in forests on decaying deciduous trees. Available in both plasmodial and sclerotial stages.
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Porphyridium
Marine. Unicellular. Erdschreiber’s medium.
Characterized by reddish plastids (rhodoplasts).
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Didinium
Predatory. Feeds on Paramecium caudatum. Hay medium.
Characterized by cilia; nearly all possess two types of nuclei.
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Colpidium
Hay medium. Characterized by cilia; nearly all possess two types of nuclei.
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Cladophora
Marine. Filamentous; freely branched. Erdschreiber’s medium.
Characterized by green plastids and cell walls composed of cellulose.
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Closterium littorale
Freshwater. Unicellular; homothallic strain. Basic culture solution. Characterized by green plastids and cell walls composed of cellulose.