Across
- 6. A living thing which displays a special set of characteristics
- 7. The process of regulation of an organism's internal state to maintain its life
- 9. The creation of offspring
- 10. An inherited characteristic of a species caused by changes to it over time
Down
- 1. A reaction to an environmental factor
- 2. The study of life
- 3. An environmental factor which causes a reaction from an organism
- 4. Being arranged in a certain order
- 5. A natural process of changes in an organism
- 8. A group of organisms which can produce offspring