Thus, for many areas of science, scientists have not directly observed the. The majority of the hundred-odd traits examined did not progress consistently. Nixon, K. Upper case indicates the constant regions and lower case the doped sequence. How did life become so diverse?
The second clue is more tentative. Some, known as "young Earth" creationists, believe the biblical account that the universe and the Earth were created just a few thousand years ago. A non-natural classification? I'm a neurologist, interested in the brain and kids with neurological problems.