Natural Selection
Across
- 2. a scientist who studies biology
- 6. a family unit of lions
- 8. this is part of a chromosome that is inherited from parents
- 10. a population of one type of organism (think of ants)
- 11. this is a different occurrence of the same trait (hair color, eye color...)
- 12. a characteristic
- 13. meerkats take this position of standing upright to scan for predators
Down
- 1. microscopic single celled organisms that can be found in diverse environments
- 3. natural selection is the process of *this* changing over time
- 4. this is a change in the genetic material
- 5. this is the study of life
- 7. a bacteria found in the digestive tracks of humans and animals that reproduces quickly and can cause food poisoning
- 9. this famous biologist is known for his contributions to the study of evolution