Across
- 3. to determine or figure out based on math or logic
- 6. distributed widely spaced and at irregular intervals
- 7. of great size
- 11. a full set of chromosomes - all inheritable traits
- 12. a change that is passed on to the next generation
- 13. two or more things that are exactly the same
Down
- 1. an object, often from the distant past, made by human beings
- 2. person whose DNA came from a specific ancestor
- 4. one of the main landmasses on the planet
- 5. a surviving mark, sign, or evidence of the former existence
- 8. when animals and/or humans move in a group from one place to another
- 9. disappeared
- 10. approximately