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Energy Flow Review

Energy Flow and Interactions Vocab

TermDefinition
Ecology Study of interactions among organism and their environment
Habitat The place/environment a certain species of organism would naturally live in
Niche The functional role an organism plays in the ecosystem
Ecosystem A community of interacting organisms and their physical environment. Contains biotic and abiotic factors.
Producers Makes their own food (AUTOTROPHS) Ex- Plants, algae, photosynthetic bacteria
Consumers Consumes (eats) other organisms to survive (HETEROTROPHS) Ex- Cows, wolves, spiders
Decomposer Breaks down dead organisms (HETEROTROPHS) Ex- Bacteria, fungi
Primary consumer Eats producers (plants) and is a HERBIVORE or OMNIVORE
Secondary consumer Eats primary consumers and is a CARNIVORE or OMNIVORE
Tertiary consumer Eats secondary consumers and is a CARNIVORE
Apex predator A carnivore at the apex (top) of the food chain. It eats other consumers, but nothing eats it
Food chain Show the flow of energy from one organism to another as organisms are consumed
Trophic levels How organisms are sorted based on their place in the food chain
Ecological pyramids Includes energy and biomass pyramids. Shows amount of available and mass of organisms in each trophic level
Food Web A community of organisms where there are several interrelated food chains
Predation An interaction in which one organism kills another for food.
Parasitism A relationship between two organisms of different species where one benefits and the other is harmed
Commensalism A relationship between two organisms in which one organism benefits and the other is unaffected
Mutualism A relationship between two species in which both species benefit
Competition the struggle between organisms to survive in a habitat with limited resources
Symbiosis A type of relationship between two species, includes parasitism, commensalism, and mutualism.
Created by: Mrs.Finning
 

 



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