Across
- 2. in natural selection, organisms with the most favorable traits are able to __________ and reproduce more than those with unfavorable traits
- 4. similar structure, shared ancestor
- 6. when a small group leaves the population to create their own colony
- 7. a random event kills off the vast majority of the population
- 9. similar function, no shared ancestor
- 10. mating where organisms choose their mates based on traits
- 12. a change in genetic information of an organism
Down
- 1. when individuals move in or out of a population
- 3. remains of pre-historic organisms that allow us to know what species used to look like
- 5. useful in ancestors, not useful in current day organism
- 8. change over time
- 11. the type of selection where organisms with favorable traits are forcibly mated by humans