Answer:
Chlorophyll
Explanation:
Chlorophyll is needed for photosynthesis in plants so the ammount of chlrophyll will limit the rate of photosynthesis because its needed for it
the brain stem controls involuntary actions such as breathing, heart beating and blinking.
They both have a cell membrane, mitochondria, cytoplasm, ad a nucleus. Hope this helped! :)
Answer:
legth of life is the answer
