Ecology
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| Ecological footprint | measure of human demand on Earth's ecosystems
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| Biodiversity | variety of life
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| Habitat fragmentation | process in which habitat loss results in smaller more isolated remnants
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| Stability | state of being stable
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| Ecological Disturbance | a change in the environmental conditions that causes a change in an ecosystem
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| Greenhouse gases | gas that contributes to the green house affect
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| Acid Rain | type of rain made up of dilute acids, a by product of heavy industry
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| Biological magnification | process where certain substances (pesticides or heavy metals) move up the food chain rivers-fish-humans
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| Deforestation | permanent destruction of forests to make land available for other uses
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| Dessertification | process where fertile land become dessert
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| Sustainability | capacity to endure
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| Agriculture | growing a dependable amount of food
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| Monoculture | farming strategy of planting 1 productive crop year after year
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| Renewable resource | resource that can be produced or replaced by healthy ecosystem functions
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| Nonrenewable resource | resource that can't be replenished by natural process within a time
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| Sustainable resource | using natural resources to meet our needs without causing long-term environmental damage
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| Limiting factors | environmental conditions that limit the growth, abundance and distribution of an organism or populations of organisms
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| Density dependent limiting factor | factors that affect the population individuals ex disease
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| Density independent limiting factor | effects will kill a population regardless on how big or small it is
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| Competition | interaction between organisms for resources
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| Density(population) | measure of #organisms that make up a population in a defined area
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| Distribution | how organisms are spread out
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| Age structure | how organisms are spread out according to their age
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| Immigration | how many organisms are coming
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| Emmigration | how many organisms are going
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| Exponential growth | growth rate when resources are unlimited
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| Logistic growth | occurs when the growth rate decreases as the population reaches carrying capacity
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| Carrying capacity | number of organisms an environment can support
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| Ecological succession | observed process of change of an ecological community over time
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| Primary succession | one type of biological and ecological succession in plant life in environments that lack soil or vegetation
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| Secondary succession | series of changes that take place in previously crowded, disturbed ecosystem
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| Pioneer species | hardy species that are first to colonize disturbed ecosystems, starting a chain of ecological succession with biodiversity
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| Ecology | study of organism and their environment
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| Ecosystem | biological community of interacting organism and their environment
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| Biotic | Living factor
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| Abiotic | non-living factor
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| Resourse | Any necessity of life
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| Biosphere | all the ecosystems on the planet
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| Biome | multiple communities ex, forest...
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| Community | group of different populations that live together in an area
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| Population | group of organisms of the same species in the same area
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| Autotroph | an organism that is able to form nutritional organic substances from simple inorganic substances
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| Primary Producer | organisms that produce biomass from autotrophs
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| Heterotroph | organism deriving its nutritional requirements from complex organic substances
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| Consumer | organisms that eat other things
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| Habitat | natural home or environment for organism
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| Niche | position or role taken by a kind of organism within its community
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| Resource | necessity of life
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| Predation | preying of one animal on others
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| Herbivory | eating of plants especially ones that are living
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| Symbiosis | interaction between 2 different organisms living in a close physical association
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| Mutualism | type of symbiosis
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| Parasitism | where one benefits and the other is harmed
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| Commensalism | class of relationships between 2 organisms where one benefits from the other without affecting it
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