Answer:
They share common ancestors
Explanation:
DNA remain conserve for long time and genetic code dna us major source to know that if irganistims share common ancestors
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water
