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ENERGY FLOW

QuestionAnswer
Primary source of energy for ecosystems The Sun
Autotroph definition Organisms that make food using nonliving sources
Heterotroph definition Organisms that obtain energy by consuming others
Photosynthesis equation 6CO2 + 6H2O → C6H12O6 + 6O2
Chemosynthesis definition Using chemical energy to produce food
Trophic levels are Levels of energy transfer in a food chain
10% rule explanation Most energy is lost as heat or metabolism
Energy pyramid purpose Shows energy available at each trophic level
Food web purpose Shows interconnected food chains
Biomass pyramid shows Total mass of organisms at each level
Why fewer top predators exist Less energy is available
Primary consumers are Herbivores
Secondary consumers are Carnivores or omnivores
Detritivores role Recycle nutrients [BACTERIA]
Effect of energy loss Limits population size at higher levels
Created by: pnetha
 

 



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