Across
- 1. slimy, green patches in ponds or stagnant water bodies.
- 3. the process by which plants produce food.
- 4. tiny pores present on the surface of leaves for absorption of carbon di oxide.
- 5. green pigment present in leaves.
- 8. organisms that take nutrients from dead and decaying matter.
- 12. product of photosynthesis that is essential for all organisms(hint, its a gas)
- 14. a bacterium that can convert atmospheric nitrogen to usable form.
- 15. components of food necessary for our body.
Down
- 1. organisms that prepare food for themselves from simple substances.
- 2. a plant that is partially autotrophic.
- 6. organisms that take in food prepared by others.
- 7. where are the food factories of plants located.
- 9. ultimate source of energy for all living organisms.
- 10. a relationship where organisms share shelter and food.
- 11. mode of taking food by an organism and its utilization by the body
- 13. a parasitic plant with yellow, slender and branched stem.
