Anegative side effect of the mechanization of farming is
increased food production
expansion of arable land
increased fuel costs
expansion of family farms

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