I’m imagining that no one showed the first humans (or other animals) what was edible and what wasn’t. So how did we discover that the things that we consider food are indeed food and not end up munching on random things and wondering why it wasn’t satisfying? Was it trial and error or do we have something built in us that helps us recognize things as food?
In: Biology
Part of it is early humans and their grandcestors observing what animals ate, and followed suit.
The deer eating the new shoots on the trees? Must be good. The lions tearing out the gazelle’s liver and heart? Ditto.
We don’t know how many of our forefathers ate the green berries and died, because there are no written records back that far. But you can presume that someone saw this and reported back that those green berries are no good.
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