Image may be NSFW.
Clik here to view.
New research says that our ancestors made the shift from a diet based on trees and shrubs to grass-based foods -- that include not only grasses and their roots, but also insects or animals that ate grass -- roughly 400,000 years earlier than experts previously thought.
The diet shift is one of an array of changes that took place during the Pliocene era -- 2.6 million to 5.3 million years ago -- when the fossil record indicates human ancestor species were starting to spend more time on the ground ...
Clik here to view.
New research says that our ancestors made the shift from a diet based on trees and shrubs to grass-based foods -- that include not only grasses and their roots, but also insects or animals that ate grass -- roughly 400,000 years earlier than experts previously thought.
The diet shift is one of an array of changes that took place during the Pliocene era -- 2.6 million to 5.3 million years ago -- when the fossil record indicates human ancestor species were starting to spend more time on the ground ...
