Across
- 3. Group of organism of the same species that live in the same area
- 6. Smallest unit of an element
- 7. The study of plants
- 8. One type of animal tissue
- 10. The study of heredity and variation
Down
- 1. Living things regulate their internal environment in response to changes in external conditions
- 2. Populations that live together in a defined area
- 4. Example of an organ in plants
- 5. Living things "breath in to obtain oxygen and carbon dioxide"
- 9. The study of inter-relationships between plants, animals and the environment