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Unit 6B

Energy Pyramids

TermDefinition
Flow of Energy How energy moves through an ecosystem from the sun, to producers, to consumers, and on to the next consumer, and so on.
Joule Unit for Energy.
Autotroph Organism that makes its own food.
Heterotrophs Organism that cannot make their own food, so they have to eat other things like plants or animals.
Carnivore Organisms that eat only meat.
Omnivore Organisms that eat both plants and meat.
Herbivore Organisms that eat only plants.
Scavengers Organisms that eat bodies of dead organisms.
Organism A living thing that moves, eats, respires, grows, reproduces, and shows sensitivity to stimuli.
Producer Organisms that make their own food, that is on the first trophic level of an energy pyramid.
Primary Consumer Organisms that eat producers, that is on the second trophic level of an energy pyramid.
Secondary Consumer Carnivorous organisms that eat primary consumers and each other, that is on the third trophic level of an energy pyramid.
Tertiary Consumer Carnivorous organisms that eats primary and secondary consumers and each other, , that is on the fourth trophic level of an energy pyramid.
Quaternary Consumers Carnivorous organisms that may eat primary, secondary, and tertiary consumers. Also known as an Apex Predator who is not naturally hunted by anything else in that ecosystem and is at the top trophic level of the energy pyramid.
Decomposer Organisms that recycle dead organisms into chemical nutrients used in soil, air, and water.
Created by: PRO Teacher dowdyp
 



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