click below
click below
Normal Size Small Size show me how
15-1
| Term | Definition |
|---|---|
| Evolution | the change in the characteristics of a species over several generations |
| Theory | a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained. |
| HMS Beagle | Cherokee-class 10-gun brig-sloop of the Royal Navy |
| Fossils | the preserved remains of plants and animals whose bodies were buried in sediments, such as sand and mud, under ancient seas, lakes and rivers |
| Galapagos Islands | a group of islands in the Pacific off South America; owned by Ecuador; known for unusual animal life. |
| What did Darwin’s Travels reveal about the number and variety of living species? | the diversity of living species was far greater than he had previously known |
| What is evolution? | the change in the characteristics of a species over several generations and relies on the process of natural selection. |
| Why is evolution referred to as a theory? | A theory is an idea about how something in nature works that has gone through rigorous testing through observations and experiments designed to prove the idea right or wrong. |