This set of Guided Notes includes 4 lessons: Introduction to EcosystemsEnergy Transfer in an EcosystemIntroduction to Biogeochemical CyclesHow Ecosystems ChangeTopics Covered: Introduction to EcosystemsEcology 101Population vs. CommunityBiotic vs. Abiotic Parts of an EcosystemThe Food ChainThe Food WebRelationships in EcosystemsProducers, Primary Consumers, Secondary Consumers, Tertiary Consumers, Apex Predators, and DeecomposersThe Ten Percent RuleIntroduction to Biogeochemical CyclesHow Ecosy