Specialized Cells of the Leaf System
Backgrounders
Learn about the structure and function of the cells in leaves.
Light & Plants
Backgrounders
Learn about the process of photosynthesis and how it is affected by light levels.
Heather E. McFarlane
Career Profiles
Assistant Professor & Canada Research Chair in Plant Cell Biology
How Do Trees Survive in Winter?
STEM Explained
What adaptations and processes do trees in northern climates have to survive winter?
Plant Cell Structures and Functions
Backgrounders
Learn about the many different structures that make up plant cells as well as what differentiates plant cells from animal cells.
Plant Functions
Backgrounders
Learn about the important plant functions of photosynthesis, respiration and transpiration
The Wacky History of Cell Theory
STEM Explained
It took several scientists building on each other’s discoveries to come up with Cell Theory - one of the cornerstones of biology.
How Do Plants Survive in the Desert?
STEM Explained
Plants need to exchange gases and water with their environment as part of photosynthesis. Some plant cells have evolved specifically for this purpose.
How can I obtain a sample of DNA?
Hands-on Activities
Be a biochemist! Learn how to extract DNA from an onion and find out what DNA looks like.
Eutrophication: Why you should care about pond scum
STEM Explained
When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!