This PowerPoint discussed the ecological interactions of competition, predation, and symbiosis (mutualism, commensalism, parasitism). You can even view the entire PowerPoint prior to purchase to make sure it suits your needs. I have placed this PowerPoint on my YouTube channel.
View the Full PowerPoint on my YouTube Channel
Aside from the PowerPoint, I have also included a handout your students can use as you progress through the slide show. The handout is a "fill in the blank" style handout with keywords missing.
There are 3 files included in this purchase:
1) The actual PowerPoint file
2) Student handout (Word format)
3) Student handout (PDF format)
Technology based instruction
Competitive exclusion principle