Sagot :
Answer:
3. Tissues B
4. Organ system D
5. Organs E
6. Cells A
7. Organism C
Explanation:
Use the line to match them up
3. B. Group of similar cells working together
4. D. A group of organs working together
5. E. Group of tissues performing a complex function.
6. A. Basic unit of and function in organism.
7. Organism- The highest level of cell organization is the organism.