Question

Which tropism is Francis most likely investigating?

phototropism
positive gravitropism
hydrotropism
thigmotropism

Answer 1

Phototropism

Step-by-step explanation:

Answer 2

phototrophism

Step-by-step explanation:

This is bc photo means light as a prefix & francis is investigating w/ light. If thats not sufficient for you, google dictionary provides a definition of phototrophism that directly relates to the image.