Can plant cells change shape

20 the compound al(nh3)2 has atoms of nitrogen.

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

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