The wonder of nature…

If Holly (Ilex aquifolium) finds its leaves are being nibbled by deer, it switches genes on to make them spiky when they regrow. So on taller Holly trees, the upper leaves (which are out of reach) have smooth edges, while the lower leaves are prickly.

From @LeifBersweden on twitter

Published by pointsofsue

A place where my points of view are for all to read. Email all enquiries to: pointsofsue@gmail.com

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