1. What does the graph on the left tell about the effect of light intensity on the rate of photosynthesis?

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

the sun creates it's own light, also gives light and life to bunch of stuff like plants,animals,humans etc.photosyntesis is the process of making food which needs sun,water,nutrients etc.

it should be d) transitional fossils.

they show the gradualism of evolution throughout a period of time