Why are there different bodytypes for example (musclar or tall and thinner) and not an ideal bodytype, that everyone has?
In: Biology
You are thinking that for a species that it would be better to have a group of identically perfect individuals. But everything about nature contradicts that.
Species that have thrived have done so through diversity. Diversity has given life the means to survive through some of the most drastic changes in our environment.
That is why, dispite creating more problems than solving them, genetic mutation is literally encouraged to constantly happen in any genome.
Let’s make an example of diversity for survival in the modern world. There is group that has the ideal body type, supposedly more higher metabolism, healthy, stronger, and attractive. Then a more obese type where everyone in the group is chubbier with a lower metabolism, less attractive in the eyes of society.
Now let’s drastically change the environment so that we suddenly have little to no food and have to withstand days to weeks until we can have our next meal. The ideal type with higher metabolism would die out rapidly, and the obese group would prosper.
I hope this gives you a better perspective of the matter
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