Across
- 3. Anywhere on, in or above the planet where life is found
- 7. All cells, tissues, organs, and organ systems working together makes an organism
- 8. Group of organs working together
- 9. Species change over time
- 10. Basic unit of life
- 12. Made up of the same type of cells grouped together to do a job
- 13. Populations of different species living in a given area
Down
- 1. Biological community interacting with their physical environment
- 2. Number of one species in a given area
- 4. The study of the environment and the interaction of its various elements
- 5. Made up of the same type of cells grouped together to do a job
- 6. Maintaining stable internal environment
- 11. Naturally occurring habitat that includes all things biotic and abiotic features