Evolution Vocab

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Across
  1. 2. time scale- Timeline of Earth’s history.
  2. 4. Change over time
  3. 6. Scientist that studies fossils.
  4. 8. selection- Nature provides the variation, and humans select those they find useful.
  5. 9. Inherited characteristics that increase an organism’s ability to survive and reproduce.
  6. 10. Preserved remains or traces of ancient organisms.
  7. 11. The ability of an individual to survive and reproduce in its specific environment.
  8. 12. selection- Process by which organisms with variations most suited to their environment survive.
  9. 14. Darwin- Developed a scientific theory of biological evolution that explains how modern organisms evolved.
  10. 15. record- Fossils of ancient organisms make up the history of life on Earth.
Down
  1. 1. structures- Structures that are shared by related species and have been inherited from a common ancestor.
  2. 3. One of the major divisions of the geologic time scale.
  3. 5. organ- Inherited from ancestors but have lost much or all of their original function.
  4. 7. A species that has died out.
  5. 13. structure- Body parts that share common function, but not structure; example = wings of a bee and wings of a bird