geo y10s2 Flashcards
ecosystem
a community of interacting organisms and their physical environment
biome
a large, naturally occurring community of flora and fauna adapted to suit a major habitat.
ecological footprint
a measure of the impact of a person or community on the environment
biotic
living parts of an ecosystem or biome
e.g. animals and plants
abiotic
non-living parts of an ecosystem or biome
e.g. rocks, climate
cycles
water
carbon
carbon cycle
CO2 absorbed by autotrophs (things that make their own food)
animals eat the plants and the carbon in them
animals and plants die and decompose and carbon goes into the soil and atmoshopere
water cycle
heat turns water into vapor which rises into the air. cold makes vapour condense to liquid and fall as precipitation
causes of environmental change
industry
urbanisation
agriculture
causes of environmental change - industry
economic activity concerned with the processing of raw materials and the manufacture of goods in factories
causes of environmental change - urbanization
more people living in one place
changes: poor air & water quality, insufficient water, pollution, etc
causes of environmental change - agriculture
large-scale agriculture
- growing plants & raising livestock
- prep of goods for market
changes: commission of forests into agricultural land, emissions of greenhouse gasses, pesticides and fertilisers
worldviews
a particular philosophy of life or conception of the world.
egocentric
ecocentric
egocentric
- does not protect the environment
+ allows for development and food production on the land
ecocentric
+ protects the environment
- does not allow for development and food production on the land. restricts from making money
