Across
- 4. The theory of evolution states that species change ______ over time and organisms with the best traits will have more offspring.
- 6. Theories and laws are accepted after a great deal of _____ and confirmation within the scientific community.
- 9. A scientific ______ is a description/statement of an observed natural event that always applies under the same conditions.
- 10. When a species cannot adapt to its changing environment, the species will most likely go ______.
- 12. Natural _____ is the process where organisms with variations that help them better survive in their environment live longer, compete better, and have more offspring.
- 13. The law of ___________ states that younger rocks sit on top of older rocks as long as the layers have not been disturbed.
- 14. The plate _______ theory explains that convection currents in the mantle cause Earth's lithosphere to move in different directions.
Down
- 1. The collection of fossils being studied and those that are already cataloged make up the _______ _______.
- 2. Genetic ______ is responsible for the diversity of living species.
- 3. A __________ is an idea or explanation that you can test through observations/experiments.
- 5. An ________ is a feature common in a species so that it is better suited to its environment.
- 7. _________ evidence is knowledge that is gathered through experiments/observations.
- 8. _________ are the traces or remains of an organism that live long ago.
- 11. The only thing that can cause a theory or law to change is _____ ________.
- 15. A scientific ______ is a well supported explanation that is agreed upon by the scientific community and supported by empirical evidence.