You don't understand evolution do you ?Fruit is a distribution mechanism. Plants that produce fruit attractive to birds has a higher chance of being dropped some distance away in a convenient pack of fertiliser than plants that don't. Thats how fruit evolves symbiotically with the bird.As for vegetables "happening" to have nutrients essential to humans, you're right - it's not a coincidence. Our ancestors ate plant material, and their bodies came to depend on the nutrients, because it's biologically inefficient to produce chemicals that our diet provides a good supply of.This is why apes & other animals evolved to eat lots of fruit & veg need vitamin C, whereas carnivores make their own