| A | B |
| Passive Transport | Process by which materials move across cell membranes without the expenditure of cellular energy. |
| Active Transport | Process by which materials move across cell membranes with the expenditure of cellular energy. |
| Circulatory System | The link between the cells of the organism and its environment. |
| Xylem | Carries water and minerals up the root to the stem and leaves. |
| Phloem | Carries dissolved food manufactured in the leaves down through the stem and leaves. |
| Root Hair | Provides more surface area for absorption. |
| Grasshopper | Has an open circulatory system. |
| Earthworm | Has a closed circulatory system. |
| Cyclosis | A streaming movement of the cytoplasm. |
| Osmosis | The diffusion of water from a high concentration to a low concentration. |