Across
- 4. The theory that organisms with the best straits will survive and reproduce is ______ selection.
- 5. an explanation that can be true or false
- 7. One organism
- 8. change in a populations inherited traits over generations (overtime)
- 9. Thought traits that were acquired during lifetime through use were passed down to offspring.
- 11. any characteristic of an organism that helps it survive in its environment
- 13. A group of organisms that reproduce together.
Down
- 1. The number of individuals in a species.
- 2. Studied finches. Thought animals evolved from a common ancestor through natural selection.
- 3. differences in organisms of the same species. Caused by sexual reproduction.
- 6. where an organism lives
- 10. Lamarck's theory was _____.
- 12. Darwin's theory is considered _____ or accepted.