flow of matter and energy
DESCRIPTION
Flow of Matter and Energy. A food chain is a linear representation of who eats who in an ecosystem. Quaternary Consumer. Tertiary Consumer. Secondary Consumer (carnivores or omnivores). Primary Consumer (herbivores). Producers (plants, algae). - PowerPoint PPT PresentationTRANSCRIPT
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Flow of Matter and Flow of Matter and EnergyEnergy
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A food chain is a linear representation of who eats who in an ecosystem.
Producers (plants, algae)
Primary Consumer (herbivores)
Secondary Consumer (carnivores or omnivores)
Tertiary Consumer
Quaternary Consumer
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If you die before being incorporated into the food chain...
Detritus Feeders
Scavengers
Decomposers
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Food Webs
Food webs show the interactions between many food chains
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Photosynthesis
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Cell Respiration
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Trophic Pyramid
Quaternary Consumers10 kcal
Tertiary Consumers100 kcal
Secondary Consumers1000 kcal
Primary Consumers10,000 kcal
Producers100,000 kcal
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Trophic PyramidAs you move up a As you move up a trophic pyramidtrophic pyramid
Energy decreasesEnergy decreases Number of Number of
individuals individuals decreasesdecreases
Biomass decreases Biomass decreases (# individuals (# individuals times their weight)times their weight)
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Trophic Pyramids and Feeding a Starving Nation
Human Primary Consumers10,000 kcal
Producers100,000 kcal
Human Secondary Consumer1000 kcal
Cow Primary Consumer10,000 kcal
Producers100,000 kcal
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Bioaccumulation