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Walking With Cavemen - 02 - Blood Brothers
The Africa of two million years ago is a crossroads in human evolution. Half a dozen or more different species of ape-men exist alongside one another. Each of them has exploited the environment in a different way and has developed their own strategy for survival.
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Walking With Cavemen - 03 - Savage Family
The Africa of two million years ago is a crossroads in human evolution. Half a dozen or more different species of ape-men exist alongside one another. Each of them has exploited the environment in a different way and has developed their own survival strategy . One and a half million years ago, a new breed of ape-man walks the land. In southern Africa, Homo ergaster has taken the next step to becoming human. They have long, modern looking noses, which cool air as they breathe.
While dinosaurs dominated the land, huge marine reptiles ruled the water. Ichthyosaurs looked very like dolphins - but they weren't the top predators of the Jurassic seas.
Why the dinosaurs died out is one of the most frequently asked questions of dinosaur experts. Will we ever know the answer?
Argentinosaurus was the largest dinosaur ever - 35 metres long, and up to a hundred tonnes in weight.
cavemen 2
When dinosaurs first appeared the world was very different. There were no mammals, no birds and no lizards. But there were some lizard-like reptiles.
There's considerable evidence that dinosaurs once lived at polar latitudes. How did they survive the cold?
In the Early Jurassic, dinosaurs started getting larger. Diplodocus was over 30 metres long - but even he wasn't safe from predators
The largest animals ever to fly were pterosaurs. But during their reign, birds as we know them were also beginning to appear.
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