This Powerpoint presentation is about the interactions between living things, including basic vocabulary, ecological roles (producers, consumers, decomposers, etc.), food chains, food webs, predation, competition and the 2 types of symbiosis (mutualism, commensalism and parasitism).
Included: teacher notes and suggestions, opportunities for student note-taking and interaction with content using multiple choice questions (and answers), optional teacher-posed questions for deeper thinking, and drawing/labeling pictures. Many slides include animations.
Accompanying note sheet sold separately: Biotic Interactions Student Notes Sheet