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Compare And Contrast Darwinism And Lamarckism

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Compare And Contrast Darwinism And Lamarckism
Comparison of Darwinism and Lamarckism Charles Darwin and Jean-Baptiste Lamarck had a scientific debate about the process of evolution. Darwin’s theory of evolution is by natural selection. Organisms change over time as a result of heritable physical and behavioural trait changes. The changes were due to the genes in the gene pool due to environmental pressures. For example: skull shape, fur colour, teeth shape, digestion of seal fat etc. The changes allow organisms to adapt better to the environment which will help it survive and have more offspring. Lamarck’s Theory of Inheritance of Acquired Characteristics is the use and disuse of an organism. An organism changes during life in order to adapt to the environment, those changes are passed on to its offspring. …show more content…
The white was a transmutation gene which is the conversion of one element or nuclide into another either naturally or artificially. Polar bears (Ursus Maritimus )are the largest land carnivores in the world. They are found in areas where they can hunt their main force source, ice-seal fat, such as Canada (60%), Alaska, Greenland, Russia and Norway (Basic Facts About Polar Bears, 2012). Polar bears are marine animals and spend their time in the sea and ice which is why they are uniquely suited for their environment for example they have thicker fur than any other bear. The Polar Bears diet mostly consist of ringed seals and bearded seals but are also known for eating walrus, beluga whale etc. Without these animals in their environment and being in their habitat (the Arctic) the polar bears population would be struggling and right now there are about 20,000 - 25,000 which is still low (Wwf.panda.org, 2015). Brown bears (Ursus Arctos) live in the forests and mountains of northern North America, Europe and Asia (National Geographic,

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