Both green and brown in one culture jar for comparative study.
Both green and brown in one culture jar for comparative study. One culture is enough for a class of 30 students.
Owl Pellets are individually foil-wrapped and sterilized. Approximate 1 1/2 inch in size.
Hydra feed on small animals, such as water-fleas (daphnia). These are caught by structures called ne...
Euglena is unique because it is sort of like a plant and also like an animal. It is pear shaped. It ...
Spirostomum is one of the largest of protozoa and almost big enough to see with the naked eye.