None did. This sort of communication is an evolution of the prehistoric animals that are the ancestors of those who CAN echo.
Dorothy Davison has written: 'The story of prehistoric civilizations' 'Our prehistoric ancestors' -- subject(s): Human beings, Origin, Prehistoric peoples
cliff dwellings
My great, great grandfather's birth name was William Taus and he and his ancestors were full Swedish. So it's Swedish.
That we do not know but we can see the work of our ancient ancestors adorning the walls of prehistoric caves.
Yes, viperfish do have prehistoric ancestors. They belong to a lineage that can be traced back to ancient deep-sea fish, with their evolutionary history dating back millions of years. Their unique adaptations, such as bioluminescent lures and elongated bodies, have allowed them to thrive in the deep ocean environment, reflecting evolutionary traits that have persisted since prehistoric times.
Yes - they have barely changed from their prehistoric ancestors.
They developed elaborate cliff dwellings
Swedish people are from Sweden.
Yes, Swedish people do vote.
The earliest beaver was Agnotocastor, who lived in North America about 35 million years ago.
swedish swedish