Lamarck's Theory Of How Evolution Is Change By Charles Darwin

How evolution happens
Evolution is change.S Evolution is a certain species changing to become better adapted to their surroundings and in the end this modification causes this species to become a new breed altogether. There was no scientist that understood how evolution works until Charles Darwin and Alfred Russel Wallace (See figure 1) explained it to them. Lots of scientists had realised that plants and animals change with time, as palaeontologists could track the evolution of life in the fossil record. The scientists figured out that life began in sea, then the fish evolved, and the fish developed in to amphibians on land, which then became reptiles, and then mammals etc. But none of them could figure out how this happened. Charles Darwin

Although this sounds a lot like Darwin’s theory, it is quite different as Darwin did not believe in active adaptation but he did believe in random mutations and selection. He believed that the species develop at random but whichever species becomes most adapted to its environment will then survive and take over the entire population.
However, Lamarck believed that an organism will keep on developing until it is finally most suited to its environment/surroundings. He thought that when an animal uses an organ extensively it becomes stronger and then will be stronger in its offspring. Lamarck believed that certain animals stretched their body parts to adapt to their surroundings. Take a giraffe for example. He believed that the giraffes stretched their necks to reach food which then later on in the offspring caused giraffes to have the resulting long necks. (See figure 3)
Figure 3:

Human

Human evolution is still on going and throughout times, us as humans will become closer towards what humans will be in the future and this will be totally different to what we are today.

BIBLIOGRAPHY
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