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Organism Relationships Presented by Kesler Science NOTES-Organism Relationships What is a Food Web? • A network of food chains by which energy and nutrients are passed on from one living organism to another. • Multiple pathways • The arrows represent energy being transferred. • Energy is greatest at the bottom of the food web. © KeslerScience.com Organism Relationships Energy Pyramid © KeslerScience.com Organism Relationships Marine Food Web • An ecosystem in salt water • Algae and plankton are producers • Corals are classified as animals. © KeslerScience.com Organism Relationships Terrestrial Ecosystem • Ecosystems on land • Plantain and berries are the producers. • Titmouse is a bird. © KeslerScience.com Organism Relationships Fresh Water Ecosystem • An ecosystem in a river, stream or pond • This ecosystem also includes terrestrial (land). © KeslerScience.com Organism Relationships More Vocabulary • Herbivores - eat only plants • Carnivores – eat only meat • Omnivores – eat both plants and meat • Scavengers – eat bodies of dead organisms © KeslerScience.com
