An example of organ level of organization is _______ by Sunday | Mar 14 | Biology WAEC | 0 comments A. bird B. kidney C. spermatozoon D. xylem Correct Answer: Option B – kidney Users Also Read These:Which of the organs of the United Nations…The most representative organ of the United Nations…An organ of the United Nations Organization (UNO)…The highest organ of the Organization of African…Organ level of organization in living things is found in?