Across
- 3. an organized group of related parts that interact to form a whole
- 4. The study of life
- 7. genetic material
- 9. change in things over time usually due environment pressures
- 11. maintenance of constant internal conditions
- 12. inherited traits that give an advantage to individuals
Down
- 1. physical environment with different species that interact with one another and nonliving things
- 2. all of the the chemical processes that build up or break down materials
- 3. living things that reproduce by interbreeding
- 5. any individual living thing
- 6. all living things and all the places they are found on Earth
- 8. variety of life
- 10. the basic unit of life