Across
- 3. the name of a super continent
- 6. inherited combinations of alleles
- 8. a change or damage in the DNA
- 11. Wegner the one who discovered continental drifting
- 12. Evidence Fit together like puzzle pieces
Down
- 1. ridge the seafloor slowly grows out from
- 2. Hess discovered seafloor spreading
- 4. physical unit of heredity
- 5. passed down from parent to offspring
- 7. used to determine depths and sizes
- 9. a characteristic of an organism
- 10. a living things physical appearance