What provides evidence of common ancestry among organisms?

Answer

Evidence of unity among organism is provided by the fact that different species of different animals share some things in common. This may include the chemical processes they both go through, similar biological processes and bodily structures and also evidence of common ancestry further depicts unity among organisms. Evidence of common ancestry among organisms is mainly provided for by fossils dug up by archaeologists. The process of collecting genetic code by using DNA provides evidence for this.
Q&A Related to "What provides evidence of common ancestry among..."
Millions of species of animals, plants, and microorganisms are alive
http://www.chacha.com/question/what-is-evidence-fo...
Simularities in DNA sequence.
http://wiki.answers.com/Q/What_provides_evidence_o...
Oh, no, you don't! You do this essay yourself. You are listed as a top contributor in some field; surely you know how this works. I won't write this essay for you, and I hope no one
http://answers.yahoo.com/question/index?qid=201205...
For a good example, see the book "The Beak of the Finch". Different finches are of different sizes, and the size difference is heritable i.e. caused by variations (mutations
http://www.answerbag.co.uk/q_view/1839951
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