Use this graphic organizer to guide students through Episode 2 of Ecosystems LIVE. Topics include biotic and abiotic factors that affect insects and arachnids in their ecosystems, the benefits insects and arachnids provide including pollination , and a related research study on bees in residential yards. The graphic organizer PDF includes both a color and a grayscale version. Topics: Insects, Agriculture, Bees, Biodiversity, Ecosystem, Human Impacts, Lawn Mowing, Pollinators.