On Darwin's Theory Of Natural Selection

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Islands where he noticed a wide
array of finches whose beaks were different sizes. He believed that the
physical conditions on the island did not affect the birds' beaks, but it was
the birds' feeding habits. For instance, the birds with the large, powerful
beaks ate large seeds, while the birds with the small or fine beaks, ate small
seeds or insects. He theorized that each bird was suited to its surroundings
and was adapted to its environment, thus the birds best suited to the
environment prevailed and reproduced, leaving those who did not adapt, extinct.
In his book, On the Origin of Species, Darwin presented the idea that
species evolve from more primitive species through the process of natural
selection, which works spontaneously in nature. Darwinism states that not all
individuals of a species are exactly the same, but individuals have variations
and that some of these variations make their bearers better adapted to their
particular ecological conditions. Not ...

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