Question

Some complex multicellular organisms are organized at four levels to increase efficiency. Which list names the correct order of organization, from the simplest to the most complex?   A. organ, tissue, cell, organ system   B. cell, organ, organ system, tissue   C. tissue, cell, organ system, organ   D. cell, tissue, organ, organ sys

Answer 1

It would be d because a cell is least complex and organ system is most complex