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23 Cards in this Set
- Front
- Back
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Energy
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The ability to do work
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Kinetic Energy
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Energy of movement
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Potential energy
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Stored energy
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Trophic levels
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The different levels of feeding
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Producers
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They convert Kinetic energy into Potential nergy
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Consumers
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Convert Potential energy back into Kinetic energy
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Abiotic environment, Primary producers, Consumers, Decomposers
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What are the 4 Trophic Components of an ecosystem
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Autotroph
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"self feeder"
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Average net primary productivity (ANPP)
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The amount of energy accumulated by producers during photosynthesis in a region
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The equator
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What part of the earth is most productive?
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Heterotroph
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"other feeder"- humans, animals, fungi
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Primary producers
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What do Primary consumers eat?
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Quaternary Consumers
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What eats Tertiary consumers?
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Decomposers
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What does the food web omit?
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Detritus feeders
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What type of feeders such as worms and vultures live off waste and dead remains?
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~10 %
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How much energy is transferred from one trophic level to next?
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Energy
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The capacity to perform work
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Energy can change forms but cannot be created or destroyed
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1st law of thermodynamics
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Transfer of energy from one trophic level to the next does not occur with 100% efficiency, usually only 10 %
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2nd Law of Thermodynamics
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There isnt enough energy at the top level to sustain another level
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How does the 2nd law of thermodynamics limit the number of trophic levels in the ecosystem?
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Biological Magnification
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The increasing accumulation of toxic chemicals in the higher trophic levels
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Genetic diversity, Species diversity, Ecosystem diversity
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What are the different levels of Biodiversity?
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Food, Drugs and Medicines, Ecologoical benefits (pest control), Aesthetic and Cultural benefits (spiritual significance)
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What are the benefits of Biodiversity to humans?
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