Science
Rare Starfish Fossil Answers the Mystery of How They Evolved Arms – EcoWatch
By Aaron W Hunter
A chance discovery of a beautifully preserved fossil in the desert landscape of Morocco has solved one of the great mysteries of biology and paleontology: how starfish evolved their arms.
Starfish are one of the most recognizable animals on our planet. Most people probably associate them with trips to the beach, walking in rock pools or swimming in the sea. They might appear simple creatures, but the way these animals’ distinctive biology evolved was, until recently, unknown.
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