Other Free Encyclopedias » 21st Century Webster's Family Encyclopedia » 21st Century Webster's Family Encyclopedia - Erasistratus to Federalism


Euglena, any of several microscopic, one-celled organisms found mainly in stagnant water. Euglenas show both plant and animal characteristics. Like plants, they can manufacture their own food and are capable of photosynthesis; like animals, they can move about freely, propelled by their whiplike flagella. They possess a red-pigmented “eyespot” that is sensitive to light.

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