Saturday, August 25, 2012

Evidence for Evolution

What is the Evidence for Evolution?

There are many different pieces of evidence for evolution; paleontology, biogeography, developmental biology, morphology, and genetics. I will be discussing what each piece of evidence means. 

Paleontology is the study of prehistoric life and shows that organisms have changed little by little over time. The most clear example of evidence are fossils, because they prove that many early fossils are identical or similar to organisms living now.

Biogeography shows that new species only create and arise near other similar species. This is evidence because species that are similar share a common time and space.

Developmental biology show how organisms can develop into adults from single cells. They all pass through many stages of life which are all very similar in each organism, this shows evidence of evolution. 

Morphology is an organisms shape and structure and how they adapt previous generations features to new uses. The evidence here is that organisms inherit traits from their ancestors and over time change.


Genetics is evidence of evolution of different organisms because it shows that we can group them by similarity of genes. If organisms have similar genes it proves that they evolved from similar species.

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