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Biology Ch. 6

biology questions for chapter 6

TermDefinition
common activities affecting the biosphere hunting and gathering, agriculture, industrial growth, and urban development
monoculture large field planted with a single variety of crop
green revolution changes in agriculture that greatly increase world food supply
renewable resources resources that can regenerate or be replenished; this does not mean they are unlimited
nonrenewable resources resources that cannot be replenished by natural processes
sustainable development way of using natural resources without depleting them or causing long term environmental harm
land/soil renewable resource if managed properly; most maintain fertile soil and prevent contamination
erosion wearing away of surface soil
desertification land degradation until it becomes desert-like
forests provide materials for foods, products, and fuel
deforestation the loss of a forest
aquaculture the raising of aquatic animals for human consumption
hunting and gathering caused changes in environments and extension of species
cultivate crops and raise animals creates a dependable food supply, but changes the environments
industrial growth results from industrial productivity and scientific know-how
biological magnification when a toxic substance increases in concentration as it moves up the food chain
habitat fragmentation habitats disappear and ecosystem is split into smaller pieces
invasive species plants or animals that reproduce rapidly when introduced to a new habitat because there is no predator or limiting factor to control population
extinction species disappears from its range
Created by: NoahBuscher
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