Researcher shows evolution of milkweed defense system

(PhysOrg.com) -- The adage that your enemies know your weaknesses best is especially true in the case of plants and predators that have co-evolved: As the predators evolve new strategies for attack, plants counter with their own unique defenses.

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<p><a href="http://www.physorg.com/news135960491.html">Researcher shows evolution of milkweed defense system</a></p> <p>(PhysOrg.com) -- The adage that your enemies know your weaknesses best is especially true in the case of plants and predators that have co-evolved: As the predators evolve new strategies for attack, plants counter with their own unique defenses.</p>