evolution

Chickens graze in a field.

A Brief History of Chickens: Where Do They Come From?

Floppy Ears

So This Is Why Some of Our Dogs Have Floppy Ears

snake head

New Research Sheds Light on the Evolutionary Origins of Snakes

Man Picking up / cleaning up dog droppings

New Studies May Answer the Question as to Why Dogs Eat Poop

By Stacey Venzel

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