Invasive species - an organism that causes ecological harm in a new environment where it is not native, Ecology - The study of how organisms interact with each other and their environment, Natural Resource - Anything naturally occurring in the environment that humans use, Conservation - The practice of using less of a resource so that it can last longer, Sustainability - The ability of an ecosystem to maintain biodiversity and production indefinitely, Ecological Restoration - The practice of helping a degraded ecosystem recover from damage, limiting factor - a environmental variable (both abiotic and/or biotic)that keeps a population from increasing, growth rate - how the size of a population of organisms can change over time according to births and deaths, carrying capacity - the largest population that an area can support, succession - is the process by which the mix of species and habitat in an area changes over time., Pioneer Species - The first species to populate an area during succession, Biodiversity - The number and variety of different species in an area, Keystone Species - A species that influences the survival of many other species in an ecosystem, Extinction - The disappearance of all members of a species from Earth,

Biodiversity- SNB p. 55

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