ISA Arborist Chapter 2 Exam Latest Updated

Alternate - Answer Pertaining to bud or leaf arrangement,one leaf or bud at each node,situated at alternating positions along the stem. In this arrangement,the leaves are not directly across from each other. Contrast with opposite and whorled. Angiosperm - Answer Plant with seeds borne in an ovary. Consist of two large groups: monocotyledons(grasses,palms,and related plants) and dicotyledons(most woody trees,shrubs,herbaceous plants,and related plants).contrast with gymnosperms. Class - Answer Taxonomic group below the division level but above the order level. Compound leaf - Answer Leaf with two or more leaflets. Contrast with simple leaf. Conifer - Answer Cone bearing tree or other plant that has its seeds in a structure called cone. Cultivar - Answer Cultivated variety of a plant. Cannot be reproduced without human assistance. Usually propagated asexually(cloned). Compare to variety. Deciduous - Answer Tree or other plant that sheds all of its leaves according to a genetically scheduled cycle as impacted by climate factors(usually during the cold season in temperate zones). Contrast with evergreen. Dicotyledon - Answer Plant with two cotyledons in its embryo;netted or palmate leaf veins;and flowers with three,four or five pedals,or petals in multiples of these numbers . Contrast with monocotyledon. Division - Answer Phylum. Taxonomic group below the kingdom level but above the class level. Entire - Answer Term describing a leaf margin without teeth Family - Answer Taxonomic group under the order level and above the genus level. Foliage - Answer Leaves of plants . Forma - Answer Group of plants within a species having distinct variations that occur sporadically and naturally. Genus - Answer Taxonomic group,composed of species having similar fundamental traits. Botanical classification under the family level and above the specific epithet level. Gymnosperm - Answer Plants with exposed seeds,usually within cones. Contrast with angiosperm. Hybrid - Answer Plant resulting from a cross between two or more other plants that are more or less alike. Identification key - Answer Diagnostic aid to help identify plants and other organisms.