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What does a Euglena require to exhibit phototactic behavior?

A.
a contractile vacuole

B.
cilia

C.
an eyespot

D.
a pseudopod

Respuesta :

Answer:

C

Explanation:

Phototaxis (phototactic response) is the cellular behavior in which cells swim toward or away from the light source. The euglena have eyespots that detect light so that it can move toward sunlight for photosynthesis.

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