Across
- 6. expulsion of indigestible food from body
- 7. the fourth chamber, true stomach in ruminants
- 9. breaking down of fat particles by digestive juices
- 13. nutrient made up of carbon, hydrogen and oxygen
- 15. inner lining in the stomach
- 16. organisms that synthesize their own food
Down
- 1. cud-chewing animals
- 2. tissue that transports water and minerals to leaves from roots
- 3. an example of a parasitic plant
- 4. nitrogen-fixing bacteria
- 5. organisms dependent on plants for their food
- 8. association of two different organisms benefiting each other
- 10. process of intake of food
- 11. special structures in which chlorophyll is present
- 12. organisms feeding on decaying dead plants and animals
- 14. a plant dependent on other plant for nutrition