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Ecology- Energy Flow

Learn how energy flows through living things, from producers utilizing sunlight to decomposers breaking down organic matter. Explore food chains, trophic levels, and ecological pyramids showcasing the distribution of energy in ecosystems.

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Ecology- Energy Flow

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  1. Ecology- Energy Flow Objective: To trace flow of energy through living things

  2. Objective: To trace flow of energy through living things Producers/Autotrophs: use energy from sun/chemicals to produce food. From sunlight—photosynthesis From chemicals—Chemosynthesis

  3. Objective: To trace flow of energy through living things Consumers/Heterotroph: rely on other organisms for their energy and food supply Herbivores- eat plants Carnivores- eat meat Omnivores- eat plants and meat Detritivore- eat plant and animal remains (called detritus) Earthworms, snails, crabs Decomposers- break down organic matter Fungi and bacteria

  4. Objective: To trace flow of energy through living things Energy Flow Food chain and Food web track energy flow Webs are made up of several food chains

  5. Objective: To trace flow of energy through living things Trophic level: each step in a food chain 1st producers 2nd consumers 3rd consumers 4th consumers All depend on the trophic level below them.

  6. Objective: To trace flow of energy through living things Ecological pyramid- Shows amounts of energy or matter contained in each trophic level Energy pyramid- Only 10% of energy is passed to next level

  7. Objective: To trace flow of energy through living things Biomass pyramid- Living tissue within given trophic level (shows food available for each level)

  8. Objective: To trace flow of energy through living things Pyramid of numbers- Number of individuals at each trophic level (not always a pyramid shape--- a tree is one organism while a shrub is one organism)

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