| A | B |
|---|
| Retina | Receptors sensitive to light |
| Lens | Expands and contracts according to focus |
| Optic nerve | Carries impulses to the brain |
| Cornea | Allows light to enter the eye |
| Osmosis | The movement of water from an area of high concentration to an area of low concentration |
| Xylem | Carry water and nutrients up the plant |
| Stoma | Lets Carbon Dioxide into the leaves |
| Chloroplasts | Absorbs light to make food |
| The factors that affect the rate of transpiration | Amount of CO2, the amount of light, water availability, and wind speed. |
| What happens at night in the world of plants? | Respiration |
| 3 Nutrients needed by plants | P,N & K |
| What does the scientific term 'organic' mean | It means something which has been made from a thing that has been alive. |
