Skeletal muscles mechanically move the body. Messages from the nervous system cause these muscle contractions.
Answer: the correct option is : highly developed cell- cell communication.
Explanation: In complex multicellular organisms, cell - cell communication also known as cell signalling is part of any communication process that leads basic activities of cells and coordinates multiple cell functions.
They are among the only types of organisms that get their energy from a non-living thing, and they give energy to Primary consumers, which give energy to secondary consumers, which give energy to tertiary consumers, which can give energy to decomposers, etc.
That your digestive monkeys are from the ancient sanctuaries of the ancient Egyptian Mona Lisa in 2011 Mona Lisa is took a mayonnaise piece of bread and smooshed it onto the ancient Egyptian men for disrespecting her culture because the ancient Egyptian men wanted to dress like blatant don’t know what I’m saying just kidding hi