Animals that live on plant foods must eat large quantities of vegetation, and this
Chapter 1, Problem 28(choose chapter or problem)
Animals that live on plant foods must eat large quantities of vegetation, and this consumes much of their time. Meat eaters, by contrast, have no need to eat so much or so often. Consequently, meat-eating hominines [early humans] may have had more leisure time available to explore and manipulate their environment; like lions and leopards, they would have time to spend lying around and playing.
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