Unit 2 Vocab Flashcards
Weather
Atmospheric conditions at a given time
Climate
Atmospheric conditions measured over a long period of time
Ecosystem
All of the living and non-living things in an area (Sun’s energy, soil, plants, animals, etc.)
Biosphere
All of the living things in an ecosystem
Hydrosphere
All of the water in an ecosystem
Atmosphere
All of the gases in an ecosystem (Nitrogen, Oxygen, Carbon Dioxide, etc.)
Pollutants
Foreign contaminants that interfere with natural processes and are toxic to life
Point-source
Pollution whose source is easily identifiable (Think smokestack of a factory)
Climate change
The gradual warming of Earth’s average temperature over time
Consensus
An agreement on a topic or debate (Scientific consensus on climate change)
Doubling time
Number of years needed to double a country’s population
Natural increase rate
How much a country is growing based on the births and deaths of its people (NOT counting immigration)
Malthus’ theory on population growth
Population can only grow as large as its food supply can support
Developed state
Country that features a stable economy and a high standard of living for its citizens
Developing state
Country that is making progress in making life better, but still lags behind in areas of human or economic development