AP BIOLOGY

Detailed explanation-1: -A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture, or carefully controlled seed production.

Detailed explanation-2: -The 5 classifications in the plant kingdom are thallophyta, bryophyta, pteridophyta, gymnosperms, and angiosperms.

Detailed explanation-3: -Taxonomy (or systematics): The science of classifying organisms. Classification: A grouping of plants according to shared qualities or characteristics. Plant taxonomy: A hierarchical classification system based on morphological (see below) and phylogenetic (see below) similarities among plants.

Detailed explanation-4: -botany, branch of biology that deals with the study of plants, including their structure, properties, and biochemical processes. Also included are plant classification and the study of plant diseases and of interactions with the environment.

Detailed explanation-5: -So, the correct answer is ‘Vascular cambium’.