Identify the key elements and processes in plant growth

Most plants continue to grow throughout their lives. Like other multicellular organisms, plants grow through a combination of cell growth and cell division. Cell growth increases cell size, while cell division (mitosis) increases the number of cells.

What You’ll Learn to Do

• Describe the way that plants grow
• Distinguish between primary growth and secondary growth in stems
• Understand how hormones affect plant growth and development

Learning Activities

The learning activities for this section include the following:

• How Plants Grow
• Stem Growth
• Growth Responses
• Self Check: Plant Growth