Ecology: E -> Energy Flow Flashcards
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Energy flow
The flow of energy through an ecosystem
Producer
An organism that makes its own food
Consumer
Organism which obtains it’s energy by the consumption of other organisms
Autotroph
A organism that makes its own food
Heterotroph
An organism which obtains its energy by the consumption of other organisms
Herbivore
Plant eater
Omnivore
Meat and plant eater
Carnivore
Meat eater
Primary consumer
Herbivore/ plant eater
Secondary consumer
Second consumer in a food chain/food web
Tertiary consumer
Third consumer in a food chain/food web
Decomposer
Organism which obtains its energy from dead or decaying organisms. This returning nutrients into the soil
Predator
An organism that feeds on what it hunts and kills
Prey
A species that us hunted and killed for food
Scavenger
A species that feeds off of dead organisms that they did not hunt or kill themselves
Food chain
A pathway in which energy flows through an ecosystem
Food web
All possible pathways in which energy flows through an ecosystem
Energy pyramid
Graphical representation to show the relationship between energy and trophic levels of a given organism
Trophic level
The position that an organism occupies in a food chain~ what it eats and what eats it
Photosynthesis
Conversion of suns energy to chemical (food/glucose) energy
Cellular Respiration
Process by which chemical bonds (food/glucose energy) are concerted to usable energy (ATP)
~ C6H12O6 + 6O2 -> 6CO2 + ATP
