In northern Sweden, some 150km inside the Arctic Circle where winter temperatures can fall to -45c, it's thaw season. Futuris went to meet a group of biologists studying the basic mechanisms used by plants to survive in this challenging ecosystem.And the variety of colours of their flowers is one of those survival mechanisms as pollinating insects are attracted by their colours.from EUROPA - Syndicated Research News Feed http://ift.tt/2jGWtrP
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