If they did not communicate then there wouldn't be a logical explanation for the experiment ..
type answers below ..
Answer:
Artery, blood vessel, human heart, circulatory system, human
Explanation:
I put them in order of smallest to largest, I wasn't 100% sure that's what you wanted, but I hope this helps!
I’m not sure if there’s options to the question but the answer should be C. prokaryotes convert nitrogen-containing molecules into forms that can't be used by other organisms.
