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 🤙 https://t.co/J1qvjceXC5
— Leif Bersweden (@LeifBersweden) Dec 30, 2021
via Twitter https://twitter.com/LeifBersweden
December 30, 2021 at 11:10PM
No comments:
Post a Comment