What conditions give trees the best chances of living a healthy long life? What systems do trees use to defend against insects? Go in depth with Chadwick Award Winner Dan Herms by listening to the Science of Arboriculture podcast and then taking this accompanying CEU quiz to check your knowledge. This quiz is worth 0.5 credits. This quiz is worth 0.5 credits. (A, U, M, T, Bp)
CEUs for this quiz may be earned only once during the life of your certification.