Which statement is true regarding ecosystems? They are examples of
A. closed systems in regards to matter.
B. closed systems in regards to energy.
C. open systems in regards to energy and matter.
D. open systems in regards to energy, but not matter.

For questions 6-10, match the letter of the description that best matches the term. descriptions: a. to people reach their full potential b. refers to a persons drive to reach his or her full potential c. name the type of therapy developed by rogers d. being accepted by another just as you are, or accepting someone else just as they are e. the bottom of maslows hierarchy 6. need for food, water and oxygen 7. client centered therapy 8. self-actualization 9. the goal of the humanistic approach 10. unconditional positive regard