Across
- 3. The development of a new species over time
- 7. Those with favorable traits pass on genes to the next generation
- 8. Two species evolving with each other over time
- 9. A survival or reproductive characteristic
- 11. Structures that currently serve no apparent purpose in an organism but previously had a purpose
Down
- 1. When species with a common ancestor diverge into new species
- 2. Structures that are similar in unrelated species
- 4. Change over time
- 5. When species that are unrelated evolve similar characteristics based on the environment they live in
- 6. Evolution happening in spurts followed by gaps of relatively no change
- 10. Evolution happening slowly over time