I think it is (b) i have studied this before. ( =
I believe the answer is commensalistic because it wouldnt be parasitic because the other isnt getting harm and its not mutual because both aren’t benefitting from it
True...................................
You need carbon dioxide and oxygen because you need oxygen to breath and plants depend on carbon dioxide without it we would have plants and without plants we wouldn’t have food.
Intercalated disks are unique to cardiac muscles.
