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Biology And Human Evolution
This is the first 1,000 characters of 1374 words (5.5 pages) in the essay titled Biology And Human Evolution
| Biology And Human Evolution Human Biology and Evolution Humans are Alive The earliest human life form can be traced back more than 3.5 billion years ago. Humans are said to be descendants of a single celled ancestor. Although they are different in size and shape all basic functions are alike. The more complex the organization of the cell became the more successful and developed it became. As these single celled organisms developed they became known as pre-humans. We share many characteristics with these pre-humans. Some of these characteristics include the masters of heredity DNA and RNA as well as proteins composed of amino acids, membranes or bound cells and lastly controlled cell division or mitosis, key to the daughter cells. Kingdoms are Alive The diversity of kingdoms is arranged into kingdoms that classify organisms from simple to complex. The traditional five kingdoms are Prokaryote, Protoctista, Fungi, Plantae, and Anamalia. Prokaryote is a bacterium that lacks nuclear membra... |
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