Across
- 8. The change in frequency of an existing gene variant in the population due to random chance.
- 9. _______ means reproductive success and reflects how well an organism is adapted to its environment.
- 10. When animals save energy to survive harsh weather conditions or lack of food.
- 15. The transfer of genetic material from one population to another.
- 18. When an animal changes color or pattern to match/blend in with the environment.
- 19. A behavior that an organism develops as a result of experience.
- 20. A characteristic belonging to a population or organism.
Down
- 1. An English naturalist who was known for his contributions to evolutionary biology.
- 2. A change or the process of change by which an organism or species becomes better suited to its environment.
- 3. A baby of an animal or person
- 4. Those who eat prey.
- 5. The process of organisms changing over time. Organisms with traits better suited to their environment tend to survive and reproduce.
- 6. A motivation to act in response to events.
- 7. A process in which humans choose specific traits they want and breed organisms together for those specific traits.
- 11. The different occurrences of the same trait among individuals of the same species (hair color, eye color, height, etc.).
- 12. When an animal changes to look like another animal to trick its predators.
- 13. A substance or object required by an organism for its growth and reproduction.
- 14. A change in genetic material (DNA).
- 16. When an animal species changes traits over time through their ancestors so they can live better in their environment.
- 17. The behavior of living things.