Certified Arborist Practice Exam

The four primary functions of plant resource allocation indeed encompass Defense, Growth, Maintenance, and Storage.

Defense refers to the strategies and resources plants allocate to protect themselves from herbivores, pathogens, and environmental stressors. Growth involves the investment in new tissues, both above and below ground, which is essential for the plant's overall development and ability to capture sunlight and nutrients. Maintenance is crucial for the ongoing health of the plant, as it involves repairing damaged tissues and sustaining essential metabolic processes. Lastly, Storage refers to the allocation of resources such as carbohydrates and nutrients, which can be utilized during periods of scarcity or for future growth.

These functions highlight a plant's ability to prioritize and efficiently use its resources based on environmental cues and internal needs, thereby ensuring its survival and reproductive success. This understanding is crucial for anyone involved in arboriculture and plant health management.