Select reasons why euglena have in the past been classified as protozoans. A. They are motile. B. They have no cell wall. C. They have food vacuoles. D. They have a pellicle.

Respuesta :

B. They have no cell wall. It can survive by “eating” substances from the environment when light is not available for photosynthesis.
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They are motile and they have no cell wall.