maya+&+simone


 * page 2: questions 7-11.**

7. The arrows in the diagram below indicate the movement of materials into and out of a single-celled organism

The movements indicated by all the arrows are directly involved in 1) the maintenance of homeostasis

//2)A person would get this question wrong if you didn't know the bakckground information ex. getting rid of CO2 and nitrogenous bases helps a single-celled organism function.

3)//