Across
- 2. An organism that obtains its food from dead and decaying material.
- 4. A plant which lives on another living plant to take food and shelter.
- 5. The process of food intake and its utilisation in the body
- 6. The process by which green plants prepare their food.
Down
- 1. The gas released by green plants during photosynthesis.
- 3. A green coloured pigment present in the leaves