ISA Certified Arborist Exam Graded A+ Chlorophyll - Answer Makes the color or the leaves green so photosynthesis can take place Transpiration - Answer loss of water vapor from leaves Bark - Answer protects branches & trunk of tree from injury Excurrent Growth - Answer Orientation of growth in external cell M.A.D.HORSE - Answer Opposite leaf arrangement MAPLE ASH
DOGWOOD
HORSECHESTNUT
pH - Answer Measure of acidity or alkaline from 0 to 14 <7 acidic 7> Alkaline
- Neutral
- / 1
Decurrent Growth - Answer rounded or broader tree growth Deciduous - Answer loss of leaves in the fall Respiration - Answer process of converting food into energy Stomata - Answer pours in leaves that open and close to allow for water transportation Xylem - Answer transportation for the water and minerals throughout the tree Phloem - Answer Conducts Carbohydrates Osmosis - Answer Process how water enters roots Organic Matter - Answer organic components that are decaying matter to help increase water holding & nutrients to improve soil structure Cation Exchange Capacity (CEC) - Answer measure of soils capacity to attract, retain & exchange a positive charge Girdling Roots - Answer roots that grow across or around the trunk, potentially choking off vascular tissues in a tree. May cause decline or death Taxonomy - Answer Classification of plants Levels of Classification - Answer Kingdom > Phylum > Class > Order > Family > Genus > Species > Specific epithet Angiosperm - Answer flowering plant