Each culture contains enough material for a class of 30 students. Paramecium multimicronucleatum is generally supplied; the organism is characterized by a single macronucleus and 3 or 4 micronuclei. Optimal Medium: Carolina Springwater + Wheat Seed. Optimal Temperature: 22 C. Motility: Cilia. Classification: Ciliates. Helpful Ordering Hint: To ensure you order enough living materials for the number of students in your class, order 1 culture for up to 30 students, 2 cultures for 31 to 60 students, 3 cultures for 61 to 90 students, etc.