This stack includes both terms/defs AND "target practice" with images.
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| ecology | study of how organisms relate with each other and with their non-living environment (ety: ecos = taking care of the house, ology = study of)
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| biotic factor | all the living parts of an ecosystem
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| abiotic factor | all the non-living parts of an ecosystem
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| population | a group of organisms of the same species living together in an area
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| community | a group of organisms of different species living together in an area
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| ecosystem | a community plus all the abiotic factors around them
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| biosphere | all the ecosystems on Earth together as a group
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| population density | measurement of the number of organisms living in a certain area.
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| limiting factor | anything that keeps a population from growing out of control
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| carrying capacity | the largest number of organisms an area can support for a long period of time
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| sustainability | when natural resource renewal is balanced with human consumption and other human impacts on the environment
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| symbiosis | any close relationship between two organisms of different species
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| mutualism | a symbiotic relationship where both organisms benefit
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| commensalism | a symbiotic relationship where one organism benefits and the other is unaffected
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| parasitism | a symbiotic relationship where one organism benefits and the other is hurt
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| habitat | the physical location where an organism lives
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| niche | the ecological role of an organism in its habitat (decomposer, consumer, or producer…and its place in the food web)
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| food chain | a way of showing how food/energy passes from one organism to another
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| food web | a bubble-map showing all the food/energy connections between different species in a community
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| ecological pyramid | a model that shows how food/energy travels through the biosphere: energy gets used up by organisms along the way up from producers to higher level consumers
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| water cycle | the paths water follows in the environment through evaporation, condensation, and precipitation
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| evaporation | when water changes from its liquid phase to gas phase (without boiling!)
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| condensation | when water changes from its gas phase to liquid phase (the way clouds form)
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| precipitation | when condensed water from clouds falls from the sky as rain or snow
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| matter | the stuff things are made of...it has mass and takes up space
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| energy | the ability to do work...comes in forms such as motion, heat and chemical
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| producer | organism in an ecosystem that makes its own food by doing photosynthesis
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| consumer | organism in an ecosystem that must eat to get energy for life
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| decomposer | organism in an ecosystem that breaks down dead material
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Created by:
wholt
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