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Movement of Energy

Environmental Science

TermDefinition
Biotic Consisting of living organisms
Abiotic something is not alive or made up of living things
Organism a living thing that can function on its own
Population the whole number of people or inhabitants in a country or region
Community a group of people with a common characteristic or interest living together within a larger society
Ecosystem a community of living organisms (plants, animals and microbes) in a particular area
Biosphere the part of Earth where life exists, including all living organisms and their environment
Photosynthesis the process by which plants use sunlight, water, and carbon dioxide to create oxygen and sugar (energy) for themselves, essentially converting light energy into chemical energy stored as food
Producer an organism that creates its own food or energy
cellular respiration organisms use oxygen to break down food molecules to get chemical energy for cell functions
Consumer an organism that cannot produce its own food and must eat other plants and/or animals to get energy
Herbivore an organism that feeds mostly on plants
Carnivore an organism that mostly eats meat, or the flesh of animals
Omnivore an organism that eats plants and animals
Trophic levels the position of an organism in the food chain
Food chain a linear sequence of organisms through which nutrients and energy pass as one organism eats another.
Food web consists of all the food chains in a single ecosystem
Energy pyramid a model that shows the flow of energy from one trophic, or feeding, level to the next in an ecosystem.
Detritivore an organism that eats dead and decaying plant and animal matter
Decomposer organism that breaks down dead organic material
Primary production the production of chemical energy in organic compounds by living organisms.
Created by: user-1865036
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