There are 8 lessons in this course:

1. Introductory Ecology
2. Plant Communities
3. Plants and their Environment
4. Plants, Soils & Climate
5. Plant Adaptations to Extreme Environments
6. Manipulating Plant Environments
7. Environmental Conservation
8. Environmental Organisations, Assessment and Funding

Each lesson culminates in an assignment which is submitted to the school, marked by the school's tutors and returned to you with any relevant suggestions, comments, and if necessary, extra reading.

• Define the term ecosystem
• Explain the importance of plants as energy producers within ecosystems
• Explain basic ecological principles
• Define the terms open and closed plant communities, semi-natural vegetation, dominant species, climax association.
• Describe the effects of plant association and competition on the succession of plants
• Describe how plant communities respond to environmental stresses.
• Explain how the development, structure and function of an organism depends on the interaction of that organism with its environment
• Describe the effects of a range of abiotic environmental factors on plant growth and development
• Explain the importance of monitoring abiotic environmental factors
• Describe plant modifications to withstand extreme environmental conditions
• Describe the weather and climate in a particular region.
• Relate plant distribution, growth and natural selection to soil, geography, weather and climate.
• State how soil, geography, weather and climate affect the horticulturist's selection of plants for any specific growing location.
• Evaluate the use of meteorological records in relation to plant growth and development
• Define the terms xerophyte, hydrophyte and halophyte
• Describe the structure and function of xerophytes, hydrophytes and halophytes
• Describe how xerophytes, hydrophytes and halophytes can be utilised in garden or landscape situations