Across
- 1. the simplest method of testing whether photosynthesis in the leaf has taken place or not
- 5. the mode of nutrition where two different organisms work together for their mutual benefit
- 8. after a crop is harvested it loses a lot of_
- 9. the cells of green leaves and young stems of plants contain numerous green structures called_
Down
- 2. cannot make its own food and therefore lives in the roots of leguminous plants
- 3. organisms that live in or on other living organisms and derive their food from them
- 4. helps to keep a plant rigid and upright
- 5. organisms that live on dead plants and animals and derive their food from them
- 6. large plants such as tree develop something which can support the weight of big branches
- 7. pipe like structures which run through the root, stem, branches and leaves