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Five fascinating insights into the inner lives of plants

By Sven Batke, Lecturer in Biology, Edge Hill University
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Approximately 4.5 billion years ago, Earth’s land surface was barren and devoid of life. It would take another 2 billion years for the first single-celled organisms to appear in the ocean, including the first algae Grypania spiralis, which was about the size of a 50 pence piece.

Plants composed of many cells have only been around for a mere 800 million years. To survive on land, plants had to protect themselves from UV radiation and develop spores and later seeds which allowed them to disperse more…The Conversation


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