Across
- 4. releasing unwanted material out of the body
- 8. food preparation process in plants
- 9. eat only plants and plant products
- 11. omnivore
- 12. feeds only on meat and animal products
Down
- 1. cleanup crew of the earth
- 2. living being producing the same offspring
- 3. characteristic of living being
- 5. plants
- 6. energy releasing process
- 7. study of living beings
- 10. parasitic plant
