ISA Certified Arborist questions with correct answers

List the three components of risk assessment. CORRECT ANSWER potential for failure environment that may contribute to failure potential target By definition, if there is no _______, a tree cannot pose a risk. CORRECT ANSWER target When performing a tree assessment, it is important to develop and stick to a _______ process. CORRECT ANSWER systematic For structural strength, branches should be _______ in diameter than their parent limbs or trunk. CORRECT ANSWER smaller _______ _______ fungi primarily decay the lignin within and between cell walls in the wood. CORRECT ANSWER white rot Codominant stems often have _______ ______ within the branch union, making them structurally less stable. CORRECT ANSWER included bark Trees that have grown in dense shade such as a forest tend to have long, straight stems with little _______. CORRECT ANSW