Across
- 2. having different relations but similar functions
- 4. the process of beneficial change over time
- 8. having same or similar relations but different functions
- 10. a characteristic or quality specific to something
- 12. when humans choose what organisms reproduce
- 14. something lacking a backbone
- 16. a force that pulls on objects
- 17. the complete eradication of something
- 18. something passed down to offspring
Down
- 1. a force that attracts a body towards the center of the earth
- 2. a line which a object rotates
- 3. the genetic change in a specific things dna
- 5. a small rocky body orbiting the sun
- 6. remains of something preserved in layers of the earth
- 7. to circle around a specific thing
- 9. amount of matter in an object
- 11. something that has a backbone
- 12. the only star in our only solar system
- 13. when the earth comes between the moon and the sun
- 15. when the moon comes between the sun and the earth