Plant Functions
Learn about the important plant functions of photosynthesis, respiration and transpiration
Light & Plants
Learn about the process of photosynthesis and how it is affected by light levels.
Specialized Cells of the Leaf System
Learn about the structure and function of the cells in leaves.
Heather E. McFarlane
Assistant Professor & Canada Research Chair in Plant Cell Biology
Heather R. McFarlane is an Assistant Professor & Canada Research Chair in Plant Cell Biology for the University of Toronto.
How Do Trees Survive in Winter?
What adaptations and processes do trees in northern climates have to survive winter?
Plant Cell Structures and Functions
Learn about the many different structures that make up plant cells as well as what differentiates plant cells from animal cells.
The Wacky History of Cell Theory
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?
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?
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
When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!