Is there a term for water's ability to bend around objects? (for example, how water, like any liquid, will curve around a rock to get past it? )

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