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EcosystemInteraction

Unit 7 Vocabulary

TermDefinition
consumer an organism that eats other organisms (plants or animals) for food
decomposer an organism that gets energy by feeding on dead materials and waste
ecosystem all the living organisms (producers, consumers and decomposers) in an area and all the nonliving components (air, water, soil, etc.) with which they interact
food chain a representation of the flow of energy from the sun through producers to consumers and decomposers in an ecosystem
food web a representation of overlapping food chains in an ecosystem; multiple pathways of the flow of energy from the sun through producers to consumers and decomposers
model a picture, idea, or object we use to help us better understand a real system, process or object; has advantages and limitations we need to analyze to better understand
organisms a living thing that carries out life processes and functions on its own; plants, animals and bacteria are examples
overpopulation having too many people or other organisms in a particular area, straining available resources and impacting the environment
producer an organism that makes its own food through energy from the sun; plants are an example
living things that are alive; organisms including plants, animals, fungus and bacteria
nonliving things that are not alive such as water, air and soil
population all the members of one species living in an area
community all the different species of organisms living in a particular area
biotic the living components of an ecosystem; producers, consumers, decomposers and the dead remains of once living organisms
abiotic the nonliving components of an ecosystem; examples include air, water, soil and man-made structures
photosynthesis process by which producer/plants use energy in sunlight to create their own food
dependent to rely on someone or something else
interact act in such a way as to have an effect on something
primary consumer an animal that feeds on producers; a herbivore
secondary consumer a consumer that feeds on the animals that feed only on plants; a consumer that feeds on herbivores
habitat the natural home environment of an organism
invasive species an organism that is not native to an ecosystem and causes harm to the environment
Created by: Plainview 5th