The problem is not scientifically illiterate kids; it is scientifically illiterate adults. Kids are born curious about the natural world. They are always turning over rocks, jumping with two feet into mud puddles and playing with the tablecloth and fine china.
In nature, when you conduct science, it is the natural world that is the ultimate decider in what is true and what is not.
When scientifically investigating the natural world, the only thing worse than a blind believer is a seeing denier.
It's always interesting just to see how the human mind is relating to the natural universe, and what we try to make of it just so we can believe we understand what's going on.
Pretty much every plant and animal alive today is the result of eons of natural cross-breeding.