Across
- 2. inherited characteristic of a species that develops over time
- 4. regulation of an organism’s internal environment to maintain conditions needed for life
- 7. a review by scientists who are in the same field
- 9. group of organisms that can interbreed and produce fertile offspring
- 10. organism’s reaction to a stimulus
- 13. a set of values
- 15. orderly structure shown by living things
- 17. process that results in mass being added to an organism
Down
- 1. testable explanation
- 3. any change in an organism’s internal or external environment that causes the organism to react
- 5. an assumption based on prior experience
- 6. a body of knowledge based on the study of nature
- 8. changes an organism undergoes in its lifetime before reaching its adult form
- 10. production of offspring
- 11. anything that has or once had all the characteristics of life
- 12. science of life
- 14. a principle that describes the behavior of a natural phenomenon
- 16. an explanation of a natural phenomenon based on many observations
