Natural Selection
Across
- 1. A famous biologist and naturalist who is known for his contributions to the study of evolution.
- 4. A change in genetic material (DNA).
- 6. Coli A bacteria that is found in the digestive track of humans and other animals that can reproduce quickly (about every 20 minutes). Some strains can cause severe food poisoning.
- 8. Selection A process in which humans choose specific traits they want and breed organisms together for those specific traits.
- 9. A characteristic belonging to a population or organism.
- 10. A scientist who studies biology.
Down
- 2. Selection The process of organisms changing over time. Organisms with traits better suited to their environment tend to survive and reproduce.
- 3. Part of a chromosome that is inherited from the parent(s) and determines some of an organism’s characteristics.
- 5. Microscopic, single-celled organism that can be found in diverse environments.
- 7. The different occurrences of the same trait among individuals of the same species (hair color, eye color, height, etc.).