Across
- 8. the type of reproduction that results in diversity
- 9. we _______ from our ancestors
- 12. an organisms genetic makeup
- 14. evidence of life from the past, such as fossilized bones, footprints, or leaf prints
- 16. the brain lobe responsible for vision
- 17. the process by which species adapt to environmental changes over a very long time
- 18. a part of an organism (for example, one or more bones)
- 20. an organisms physical appearance
- 22. the brain lobe beginning with f
- 23. an organism's arm, leg, or wing
- 24. a group of organisms of the same kind living in the same area
Down
- 1. a scientist who studies fossils in order to understand the ancient history of life on Earth
- 2. a trait that makes it more likely that an individual will survive in a specific environment
- 3. sharing a common ancestor population
- 4. the process in which species adapt and change over time
- 5. A(n)__ is a related organism from a previous generation
- 6. a body structure in two or more species that features the same parts (for example, the same bones)
- 7. everything (living and nonliving) that surrounds an organism
- 10. a random change to a gene that sometimes results in a new trait
- 11. the very long time that spans the history of Earth, from the very first cellular life to the present
- 13. the type of reproduction that results in cloning
- 15. When the environment is mostly the same over time, body structures
- 19. when something stays mostly the same over time
- 21. having died out completely and no longer alive anywhere on Earth
