Across
- 2. - best known for his Theory of Inheritance of Acquired Characteristics
- 6. - change in the heritable characteristics of biological populations over successive generations
- 7. - any genetic variation that makes an organism better suited to its environment
- 9. - any difference between individuals of the same species
- 10. - the ability to survive to reproductive age, find a mate, and produce offspring
- 11. - group of similar organisms that can breed and produce fertile offspring
- 13. - production of more of a product, commodity, or substance than is wanted or needed
- 14. - any preserved remains, impression, or trace of any once-living thing from a past geological age
Down
- 1. - They are formed from the remains of dead animals and plants
- 3. - random changes in the genetic material; can be harmful or helpful
- 4. - the process by which individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the same species
- 5. Darwin - English natural scientist who formulated a theory of evolution by natural selection (1809-1882)
- 6. - disappearance of a species from all parts of its geographical range
- 8. - a fossil of a footprint, trail, burrow, or other trace of an animal rather than of the animal itself
- 12. - a group of organisms of the same species populating a given area