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Vorticella, Culture, Class Size 100

by Flinn Scientific

Item #: LM1085

Price: $23.60

Protists, Ciliates are unicellular organisms characterized by movement using cilia or ciliary-derived structures. This group is commonly studied in feeding behavior and simple response studies. Possession of cilia is the only common characteristic.

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Item# LM1084 LM1085
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Vorticella. Sessile, bell-shaped ciliate anchored to the substrate by a contractile stalk. The stalk will coil up like a spring when the organism is disturbed. With an elongated, curved macronucleus. Ciliate protists are unicellular organisms characterized by movement using cilia or ciliary-derived structures. Cilia act in locomotion and/or feeding behaviors (phagocytosis). This group is commonly studied in feeding behavior and simple response experiments. Ciliates have two, or more, nuclei—a macronucleus (typical cell functions) and at least one micronucleus (reproduction). Internal organelles are easily visible using a compound microscope with a 40X objective. Possession of cilia is the only common characteristic. Some are typically mobile while others prefer attachment to a substrate. Feeding behaviors also vary. Vital stained cultures have a dye added that stains the internal organelles for easier observation. Demoslide cultures are shipped in a unique container that can be placed directly under the objective—no searching in the jar for a living, moving organism! Ciliates prefer calm water, room temperature, and dim light. They will move away from a microscope’s field of view. Culture contains enough live food to last several days. Aerate daily using included pipet.