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Stentor coeruleus is a very large trumpet shaped, blue to blue-green ciliate.
Owl Pellets are individually foil-wrapped and sterilized. Approximate 1 1/2 inch in size.
Spirostomum is one of the largest of protozoa and almost big enough to see with the naked eye.
Display Boards increase your student's involvement in science fairs, class projects and learning env...