Write a short note on evolution should not be equated with progress with the help of example of human and bacteria
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Evolution should not be equated with progress. In fact, there is no real 'progress' in the idea of evolution. Evolution is simply the generation of diversity and the shaping of the diversity by environmental factors. The only progressive trend in evolution seems to be that more and more complex body designs have emerged over time. However, again it is not as if older designs are inefficient! So many of the older and simpler designs still survive [..] In other words, human beings are not the pinnacle of evolution, but simply yet another species in the teeming spectrum of life.
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Evolution is not exactly taking place from lower organisms to higher organisms but it can be related to the fact that higher and complex body forms evolved even when the low and simple forms are still existing.
An individual also plays an important role in the evolutionary process. An individual contributes its specific genes into the gene pool of the population during transferring its genetic variations to its offspring.
*These variations are carried on to successive generations by natural selection.
*If these genetic variations get accumulated over a period of time, alter the individuals of the subgroup and later give rise to new species.
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