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Evolution Theory - Example Papers

Evolution Theory


Comparison of the evolution theories of Charles Darwin and Jean-Baptiste Lamarck
In this essay I am going to compare the theories of Charles Darwin and Jean-Baptiste Lamarck.
Charles Darwin was a British Scientist who lived between 1809-1882. He laid down the foundation of modern evolutionary theory with his concept of the development of life through the slow working process of natural selection.
Darwin started to make notes about this theory in 1836 and in 1838 he had arrived at a sketch of a theory of evolution through natural selection. It was not until 1858 that his theory was first published in a paper. Darwin’s theory is that as plants or animals spread to new areas, or as the ...

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The reaction to this theory was immediate. Biologists argued that Darwin could not prove his hypothesis. Other criticised his ideas of variation and how he could not prove how these variations came about or how they were passed on. This part of his theory was not answered until the birth of modern genetics in the early 20th century. In fact many scientists had doubts about this theory for 50-80 years. The most publicised attacks came from religious opponents who believed it was impossible for humans to be on the same level as animals.
Jean-Baptiste Lamarck was a Frenchman who lived between 1744 and 1829. He claimed that changes in a species are brought about by environmental pressures-such as changes in the food or weather patterns. The changes that take place in an individual over a lifetime are passed down to its offspring.

This is called inheritance of acquired characteristics. An example of this idea is the way in which tortoises found on different islands gained their ...

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PAPER DETAILS
Added: 5/29/2005 10:03:37 PM
Category: Science & Nature
Type: Premium Paper
Words: 534
Pages: 2

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