How does energy flow in this terrarium in terms of cellular respiration? I WILL MARK BRAINLIEST

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. Without oxygen, much less ATP would be produced.

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.