Some types of dinoflagellates (single-cell eukaryotes) are photosynthetic. They have flagella and can swim through the water. If you grow them in a container that is lit from the right side, the cells will swim to the right side of the container

This result suggests that ___________.
A. dinoflagellates sense light
B. dinoflagellates sense the Earth's magnetic
field
C. dinoflagellates sense a heterotrophic food
source
D. dinoflagellates swim in random directions
E. dinoflagellates swim in response to
temperature gradients


A

Biology & Microbiology

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