>>40485778
Okay, imagine a colony of bugs.
>Different subgroups who were more specialized for harvesting particular plants.
>One day for no reason at all the temperature goes up during your breeding season.
>It stays up. This is good for you, but bad for some of the plants your buggy bros eat.
>your special flower survives but there is less
>the ones who have larvae most similar to the flowers survive
>the ones who don't die
>you now have a new species

It takes a long ass time, but once a new species is established it's fully optimized. As the environment changes, species go extinct. It's not really that complicated.

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>evolution created insects that look like leaves and animals that feed off naturally occuring vegetation randomly without any guidance…