The graph shows how the rate of photosynthesis in plants changes based on the amount of sunlight the plant receives. Which statement best explains the relationship between the amount of sunlight a plant receives and the flow of energy
into and out of the plant system?

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.

answer///unconditioned stimulus;