Biology EOC: Trophic Levels

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Presentation transcript:

Biology EOC: Trophic Levels analyze the flow of matter and energy through trophic levels using various models, including food chains, food webs, and ecological pyramids

#7

Trophic Levels=Energy Levels Each Level In A Food Chain, Food Web, or Ecological Pyramid. It all begins with the SUN Producers: Plants produce food through photosynthesis. Trophic Level #1

Each level depends on the one below it for energy. Primary Consumers: 2. Herbivores (Eat Plants) Trophic Level #2 Secondary Consumers: 3. Carnivores (Eat Herbivores) & Omnivores (Eat Plants and Animals) Each level depends on the one below it for energy.

Label the pyramid with the following terms: Ecological Pyramid: Label the pyramid with the following terms: Most Energy Least Energy Most Biomass Least Biomass Primary Consumer Producer Tertiary Consumer Secondary Consumer 4 3 2 1

Ecological Pyramid Only 10% of the potential energy is available as you move up each level.

Food Chain Simple Energy path through an ecosystem

Name the Producers, Primary Consumer, Secondary Consumer, & Decomposers in this food chain:

Food Web: More realistic path through an ecosystem made of many food chains

How Many Chains are in this web?

Competition: Predation: Parasitism: Mutualism: Commensalism: