Answer:
Chloroplasts are endosymbiotic descendants of photosynthetic cyanobacteria-like prokaryotes that were incorporated into cells more than a billion years ago.
Explanation:
Photosynthesis converts electrochemical energy from light into sugars and acts as the carbon source of the cell.
D i think..hope it helped if not im sorry lol
I believe that the answer is C.
They can figure out what animal the fossils were from and if they know enough about the animal, they will know what type of climate the U.S. had. Animals' fossils that would live in a subtropical forest that are found in the U.S. would describe the climate.