Most coelomates possess a "A. Circulatory system" because the main feature of these animals is that they posses a digestive tract, which requires a certain amount of circulation.
Answer:
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Explanation:
i think the answer is... :(((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((
JK river is your answer >:)
I don't like to leave comments that aren't the answer, but I think you should provide a bit more context like, perhaps, a list of activities or the name of an organism.
Rod: night vision
Cone: day vision
Parasympathetic system calms you down lets all your organs have the same amount of oxygen delivered. The sympathetic system gets your muscles moving and makes you excited.
