Evolution of a species acts on the population of the species
It is A I think the insect lived first and so it is under because it is under a different layer so if they were around at the same time and the fish was just under water it would be in the same layer of rock but because it is different rock it was not around at the same time
Sorry, it was easier to do it like it’s, hope you can read it! And hope it helps
They are NOT photosynthetic