Evolution

2. an inherited behavior or physical characteristic that helps an organism survive in its environment.
5. developed the first scientific system for classifying and naming living things.
9. Where Darwin observed and compared many organisms here to the mainland.
10. Darwin had said that species change over many generations and become better adapted to new conditions.
11. developed the first attempt at a scientific theory of evolution.
12. studied natural-formed layers of rocks and fossils and concluded that the features of Earth had changed a great deal over time.
13. a well-tested explanation for a wide range of observation and experimentation.
14. is the preserved remains or traces of an organism that lived in the past.
15. The animal that Darwin studied realizing that the bones he collected on the islands resembled much bigger than the ones on the mainland

1. Was not a scientist, but their observations and discoveries made them a key contributor in the study of both fossils and geology.
3. the process by which modern organisms have descended from ancient organisms.
4. set out on a five year trip around the world observing and studying the natural world. He discovered similarities between galapagos organisms and those found in south america.
6. the ship Darwin set sail on
7. a species of birds.
8. a difference in traits/characteristics among individuals of the same species.
13. a group of similar organisms that can mate with each other and produce offspring.