1. Evolution
Evolution is the theory that life arose by natural processes at an early stage of the earth's history and that complex organisms developed from simpler organisms by a process of slow change. ... It is a timetable of the earth's geologic history. This combined with the fossil record, another observation supporting the evolutionary hypothesis, has produced an apparent sequence of life forms from most simple to most complex during the history of the planet. ... As curiosity rose throughout much of the world, scientists began to question the existence of organisms and why some are so al...
- Word Count: 2536
- Approx Pages: 10
- Grade Level: Undergraduate