1. The document discusses plant growth, development, and control mechanisms. 2. It defines growth as an increase in size through cell division, while development refers to organ formation and maturation. 3. Competition for resources like light, water, and nutrients can influence a plant's growth, potentially limiting its size or yield. 4. The plant hormone auxin influences growth through phototropism, the directional growth of shoots towards light, and other tropisms. It also stimulates fruit formation.

1. RHS Level 2 Certificate Week 11 – Plant growth, development and control