The human body systems are all connected. Give an example of 3 or more body systems working in conjunction with one another. (Don't use the running down the hall example or it will be counted wrong!)​

Which of the following is the best definition of a eukaryota? a. a one-celled organism that does not have a membrane-bound nucleus b. a one-celled organism that does not have a cell wall c. an organism whose cells each contain a membrane-bound nucleus d. an organism whose cells each have a cell wall