The plants on earth need sunshine to do photosynthesis
Second, if the earth doesn't recieve sunshine for a long time, it will freeze
Hypothesis could be tested by actually doing them to see if it works or not...
1) Aerobic Respiration 2) Photosynthesis
Aero means Air, or in this case Oxygen, so Aerobic Respiration needs air, Photosynthesis uses Carbon Dioxide, Water, and sunlight to create Oxygen and sugars
Answer:
Angiosperms evolved during the late Cretaceous Period, about 125-100 million years ago.
hope it helps.
