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Our choice of 2 of the following 3 cultures that prey on Paramecium: Bursaria, Didinium, or Chaos. Individually labeled cultures contain sufficient food organisms for students to observe the capture and ingestion process. For additional food, order a culture of Paramecium (item #131540).
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund or credit up to 30 days from date of receipt. Other restrictions may apply. Returns & Exchanges Policy.