Here you will find all the presentations and class notes aligned with IBDP Biology topic #4: Ecology. Again, credit for the presentations and many of the notes to Chris Paine at BioKnowledgy.
Topic 4.1 – Species, communities, and ecosystems notes
The above presentation is from Slideshare.net user dabagus.
Topic 4.2 – Energy flow writing prompts
MrKremerScience.com 