27. Pretend you are a carbon atom that was part of a molecule of CO2 dissolved in the water at the beginning of the experiment. Describe a path you could take through both organisms in this experiment, including the molecules you would be a part of and the chemical reactions you would take part in.

AND
Repeat the above process, but this time pretend your testtube was placed in the dark. How does that affect the above pathway?

2 answers

What organisms?
oh, a snail and Elodea