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Description: Brief review of trophic levels thus far and assessment work that can be used as class work, quiz, or informal assessment. Goals: •Describe the concept of the trophic levels. •Identify the roles of producers, consumers, and decomposers. •Define ecological pyramid and explain its relationship to energy in the ecosystem. •Distinguish between food chains and webs. Objectives: Day 5 •Review trophic levels and organism roles found on the pyramid. •Assess our understanding of Trophic Levels this far. Warm - Up Q = Explain what the “Trophic Pyramid” is used for. A = It shows the flow of energy and nutrients through the ecosystem based no the type of organism niches. 6 Kingdoms Eubacteria Archaebacteria Fungi Plants Animals Protists Basic Energy Pyramid (Trophic Levels) Secondary Consumers Primary Consumers Primary Producers Carnivores Herbivores Autotrophs Omnivores Top Consumer Decomposers Secondary Consumer (Carnivores) Primary Consumers (Herbivores) Primary Producers (Autotrophs) Scavengers Examples Primary Producer Trees Primary Consumer Buffalo Secondary Consumer Hyena Top Consumer Tiger Omnivore Humans Examples Decomposers Fungi Bacteria Scavengers Vulture Raccoons Food Chains Food Chains = Sequence of energy being transferred from one organism to another. Trophic Levels = each step of energy transfer Many Food Chains in each Ecosystem Review and Assessment Guide This assessment guide will help us understand our level of understanding this far. We have covered the trophic pyramid and its levels and organism roles. Since this is an assessment it is individual work.