Across
- 5. natural changes in the life of an organism
- 6. Living things arranged in an orderly way
- 7. A reaction made by an organism
- 8. Regulation of an organism's internal conditions
- 10. Addition of mass on an organism
Down
- 1. The science of life
- 2. A group of living things that can breed with each other
- 3. Production of offspring
- 4. The reaction to the Stimulus
- 9. Anything that has the characteristics of life
