Across
- 3. A ___ Can be useful, bad, or neutral.
- 6. How organisms are distributed geographically on the planet.
- 8. Can reveal the change of the population overtime.
- 9. Higher __ results in more offsprings.
- 10. The study of embryos and their development.
Down
- 1. Physical traits that are shared with different species or bones that have no need to be used for.
- 2. Similarity due to share common ancestry.
- 4. ___ do not evolve over their lifetime.
- 5. Change in a population inherited___ over generations
- 7. ___ Continues to occur, and has not stop.