Rare Starfish Fossil Answers the Mystery of How They Evolved Arms

EcoWatch
By The ConversationJan 21, 2021, 1:40 pm148 pts
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…

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