Across
- 4. an organism that eats only plants
- 6. how living things interact with each other and with nonliving things
- 10. nonliving parts of the environment
- 11. all the living and nonliving thing that interact in an area
- 12. a diagram that shows the relationships among organisms
- 15. they eat dead organisms and organic waste
- 17. all of earth's ecosystems,collectively
- 18. the living parts of the environment
- 19. another word for children
- 20. part of the cell that contains DNA
Down
- 1. a quality or characteristic
- 2. passed from parents to offspring
- 3. 46 in body cells
- 5. the living part of the environment
- 7. single-stranded version of DNA
- 8. carries the genetic information
- 9. its codes for a specific trait
- 13. the place where a plant or animal lives
- 14. the study of heredity
- 16. the structure that uses RNA to make a protein