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. |