Name _____________________________________
3/29/21
Interactions Within Ecosystems Study Guide
Important Concepts
1. Biotic vs. Abiotic
A. Abiotic factors: _____________________________________________________________
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B. Biotic factors: _______________________________________________________________
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2. Ecology: _____________________________________________________________________________
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A. Organism:____________________________________________________________________
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B. Population: __________________________________________________________________
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C. Community:__________________________________________________________________
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D. Overpopulation: ____________________________________________________________
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E. Carrying Capacity: __________________________________________________________
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3. Interactions:
A. Competition: ________________________________________________________________
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B. Predation:____________________________________________________________________
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C. Habitat:_______________________________________________________________________
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D. Niche:________________________________________________________________________
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4. Symbiotic Relationship (symbiosis): ___________________________________________
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A. Parasitism:___________________________________________________________________
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B. Commensalism: _____________________________________________________________
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C. Mutualism: __________________________________________________________________
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5. Energy in an ecosystem:
A. Producers: __________________________________________________________________
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B. Consumers: _________________________________________________________________
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C. Herbivores:__________________________________________________________________
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D. Carnivores: __________________________________________________________________
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E. Omnivores: __________________________________________________________________
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F. Detritivores: ________________________________________________________________
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G. Scavengers:__________________________________________________________________
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H. Decomposers:_______________________________________________________________
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I. Food Chain:__________________________________________________________________
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J. Food Web: __________________________________________________________________
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6. Energy Pyramid: __________________________________________________________________
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A. What percentage of energy makes it from one level to the next in an
energy pyramid/food chain? ____________________________________________
B. What happens to the rest of the energy? _________________________________
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7. Important cycles:
A. Water cycle:__________________________________________________________________
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B. Oxygen – carbon dioxide cycle: ___________________________________________
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1. Respiration: _____________________________________________________________
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2. Photosynthesis: ________________________________________________________
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8. Natural Resources:
A. Renewable resources: ______________________________________________________
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B. Non-renewable resources: ________________________________________________
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9. Vocabulary to know:
A. CFCs: _________________________________________________________________________
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B. Montreal Protocol: _________________________________________________________
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