Below you will find answer keys to the worksheet at the end of each lesson. Simply click the title (e.g. Lesson 1) to download a PDF version of the answer key.
Note: Some lessons do not have answer keys as those worksheets will be taken in for marks.
Note: Some lessons do not have answer keys as those worksheets will be taken in for marks.
Introduction to Ecosystems
Feeding Relationships
Bioaccumulation
The Carbon Cycle
The Nitrogen Cycle
Population Growth
Limiting Factors Activity
Growing Bacteria Activity
