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Meet the species which have not evolved for millions of years. Why have they stopped evolving?Key facts
- Some animals are so well adapted to their environments that they've stopped evolving!
- The sharks evolved 555 million years ago.
- Ostriches evolved 120 million years ago.
- And they haven't altered since!
Transcript
Evolution – genetic change of a population over generations
However some species haven't changed for millions of years...
Ostriches evolved 120 million years ago!!!
Crocodiles evolved 200 million years ago!!!
Horseshoe Crabs evolved 445 million years ago!!!
Earliest Sharks evolved 555 million years ago!!!
So why haven't these …
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