For your poster to be comprehensive, consider how you might use the following: A large multi part diagram of a vascular plant Labeling of structures; arrows Illustrations of magnifications of particular plant parts Text boxes with explanatory captions Sidebar information The key ideas from this unit that should be part of your poster presentation include the following: The life processes of plants include photosynthesis; cellular respiration; and transpiration. Certain structures and functions of flowering plants are required for survival; defense; reproduction; and growth. Plants have ways of responding to external stimuli. Changes in environmental factors affect the growth and development of a flowering plant.