Ecosystems play an important role in our natural environment and are comprised of both living and non-living organisms. Students will learn that as both biotic and abiotic components link together through nutrient cycling and energy flow, ecosystems are more than just a geographic area. As students explore food webs and the components required to make an ecosystem, they will gain a better understanding of how animals and plants interact within their system and what is necessary to make it survive. Students will explore the relationships and interactions between species in ecosystems including predation, competition, food webs, symbiosis and disease, and analyse the dynamics and interrelationships of organisms within the ecosystem. In addition, students will briefly learn about the competitive exclusion principle, ecological carrying capacity and the role keystone species play in an ecosystem.