Re-order Paragraphs

Put the sentences in the correct order:

1. ▲▼Their abilities therefore offer a rare glimpse of how intelligence might arise more than once, in wholly unrelated branches of life.
2. ▲▼Despite that vast distance, these animals can solve puzzles, use tools, and even recognise individual human keepers.
3. ▲▼This means that the octopus brain evolved along an entirely separate path from our own.
4. ▲▼Their last common ancestor with humans was a simple worm-like creature that lived more than five hundred million years ago.
5. ▲▼Octopuses have long puzzled scientists because they display intelligence yet share almost no evolutionary history with the clever birds and mammals we know best.