Across
- 2. organism that gets its food from dead decaying matter
- 3. primary consumers
- 5. tiny pores
- 7. bacteria that converts atmospheric nitrogen into water-soluble compounds
- 8. ultimate source of energy for all organisms
- 9. leguminous plant
Down
- 1. the process of taking in food and utilizing it
- 2. trophism meaning
- 4. mutually beneficial relationship
- 6. photo in photosynthesis