2.  They are all made of cells

3.  Nucleus

4.  Cell wall

5.  Mitochondria

6.  The Cell

7.  B because it is rectangular in shape, has a cell wall and chloroplasts. AB

8.  Mitochondria

9.  Cell Wall  Chloroplasts

10.  Cell membrane

11.  Mitochondria, Cell membrane, Nucleus,  Vacuole, cytoplasm, ER, Ribosomes

12.  Cell  tissue  organ  Organ system  Organism

13.  Chloroplasts

14.  Tissues

15.  The cell

16.  The nucleus

17.  Organ Systems

18.  You only need to know the organelles with a star next to them on your notes. These include: › Nucleus › Cell Membrane › Cytoplasm › Mitochondria › Vacuole › Chloroplasts › Cell Wall Plant Cells Only