Across
- 3. is all the individuals of a species that live in an area
- 7. is the theory that states that natural disasters such as floods and volcanic eruptions have happened often during Earth's long history
- 8. is the ability of a trait to be passed down from one generation to the next
- 9. is the difference in the physical traits of an individual from those of other individuals in the group to which it belongs
- 12. are features that are similar in structure but appear in different organisms and have different functions
- 13. is a mechanism by which individuals that have inherited beneficial adaptations show differential reproductive success
- 14. is a group of organisms that are closely related and can mate to reproduce fertile offspring
- 16. is the theory that states that the geologic processes that shape Earth are uniform through time
- 17. is a measure of the ability to survive and produce more offspring relative to other members of the population in a given environment
- 18. is the process of biological change by which descendants come to differ from their ancestors
Down
- 1. is the study of the distribution of organisms around the world
- 2. is the changes in landforms that resulted from slow changes over a long period of time
- 4. are remnants of organs or structures found in an early ancestor that no longer serve a useful function or may now serve a different function
- 5. is the process by which humans change a species by breeding it for certain traits
- 6. are structures that perform a similar function but are not similar in origin
- 10. are traces of organisms that existed in the past
- 11. is a feature that allows an organisms to better survive and reproduce in its environment
- 15. is the study of fossils or extinct organisms, continues to provide new information and support current hypotheses about how evolution occur