Plant Hormones and Responses
Discover how plants also use hormones to coordinate and control growth and respond to stimuli like light and gravity, and learn about their commercial applications.
About This Topic
Discover how plants also use hormones to coordinate and control growth and respond to stimuli like light and gravity, and learn about their commercial applications.
Key Questions
- Explain how auxins cause phototropism and gravitropism in plant shoots and roots.
- Analyse the results of experiments investigating plant growth responses.
- Identify commercial uses of auxins, gibberellins, and ethene in agriculture and horticulture.
Active Learning Ideas
See all activities→Activities & Teaching Strategies
See all activities
Planning templates for Biology
More in Homeostasis and response
Principles of Homeostasis and the Nervous System
Discover how your body maintains stable internal conditions, a process called homeostasis, and learn about the structure and function of the nervous system which coordinates rapid responses.
8 methodologies
Nerve Impulses and Reflexes
Investigate how information travels as electrical impulses along nerve cells and across synapses, and explore the rapid, automatic nature of reflex actions that protect the body from harm.
8 methodologies
The Endocrine System
Learn about the endocrine system, a network of glands that produce chemical messengers called hormones to regulate long-term processes like growth and metabolism.
8 methodologies
Control of Blood Glucose and Temperature
Explore two key examples of homeostasis: how the pancreas regulates blood glucose levels and how the body maintains a constant core temperature.
8 methodologies
Water Balance and the Kidneys
Understand the vital role of the kidneys in filtering waste from the blood to produce urine and in regulating the water balance of the body through the action of the hormone ADH.
8 methodologies
Hormones in Human Reproduction
Investigate the roles of hormones in controlling the menstrual cycle and explore how this understanding has led to the development of various methods of contraception.
8 methodologies