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They were catching fish to eat and found that the eyes looked and smelled attractive.
by Causality1 7y ago
They were catching fish to eat and found that the eyes looked and smelled attractive.
- adrianratnapala 7y agoSmell is an interesting point As travisjungroth points out, the most obvious mechanism is feed-back where they eat something, it works, and the body is designed to do more of the same. But if there is a feed-forward mechanism, i.e. where genetic information tells you "eat this thing now, even if you normally hate it*; then the most plausible thing would a pretty low level mechanism that matches chemicals detected by smell.