| A | B |
| process by which plants make food | photosynthesis |
| plants use light energy to make | glucose |
| plant for food: flower | cauliflower |
| plant for food: leaf | spinach |
| plant for food: seeds | wheat |
| plant for food: fruit | apple |
| plant for food: stem | celery |
| plant for food: root | carrot |
| plant for food: storagr organ | potato |
| releases energy from glucose | respiration |
| glucose storage substance in plants | starch |
| glucose is converted to : starch to make | glues and packaging |
| glucose is converted to: protein to make | some plastics |
| glucose is converted to: fats to make | perfumes and lubricants |
| glucose is converted to: cellulose to make | paper |
| for healthy growth, plants must absorb | mineral salts |
| when plants die they | decompose |
| improve soil | fertilisers |
| kill weeds | herbicides |
| poisons become | more concentrated along a food chain |
| animals that eat crops | pests |
| pesticides used to kill only one type of animal | specific |
| poisonous chemical in some insecticides | DDT |
| poisonous | toxic |
| organisms used to kill pests naturally | biological control agents |
| favourite | optimum |