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Matter and Energy

Flow of Matter and Energy Throughout Ecosystems

TermDefinition
10% Energy Rule when energy is passed in an ecosystem from one trophic level to the next, only ten percent of the energy will be passed on
Abiotic Factor Any nonliving part of the environment with which an organism might interact
Autotroph an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
Biotic Factor Any living part of the environment with which an organism might interact
Carnivore A consumer that eats only animals.
Competition for Resources In crowded populations, increasing population density intensifies competition for resources and results in a lower birth rate
Decomposer An organism that breaks down wastes and dead organisms
Detrivore organism that feeds on plant and animal remains and other dead matter
Ecological Pyramid diagram that shows the relative amounts of energy or matter within each trophic level in a food chain or food web
Ecosystem A biological community of interacting organisms and their physical environment.
Flow of Energy the arrows between organisms in a food chain or food web that show the flow of energy. The arrow points to the organism that is receiving the energy
Flow of Matter A continuous cycle of which matter changes forms and changes back again to sustain life on Earth.
Food Chain A series of events in which one organism eats another and obtains energy.
Food Web A community of organisms where there are several interrelated food chains
Herbivore A consumer that eats only plants.
Heterotroph An organism that cannot make its own food.
Invasive Species species that enter new ecosystems and multiply, harming native species and their habitats
Omnivore An animal that eats both plants and animals
Organism A living thing
Primary Consumer An organism that eats producers
Secondary Consumer An organism that eats primary consumers
Species A group of similar organisms that can breed and produce fertile offspring.
Trophic Level Each step in a food chain or food web
Created by: hadams2020
Popular Ecology sets

 

 



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