Energy
The primary source of energy for the Earth's climate?
The Sun
Number of individuals in a population?
Population size
Variety of life within an ecosystem?
Biodiversity
Clearing of trees for agriculture?
Deforestation
Gas contributing to global warming?
Carbon dioxide (CO2)
The 6 primary renewable energy sources?
Solar energy, wind energy, hydropower, geothermal energy, biomass energy, and tidal and wave energy.
Maximum population an environment can sustain?
Carrying Capacity
Species that plays a crucial role in maintaining the ecosystem structure?
Keystone species
Farming method that alternates different crops in the same field each season to maintain soil fertility?
Crop rotation
Layer of the atmosphere that protects Earth from UV rays?
Ozone layer
The process of capturing sunlight and converting it into electricity?
Photovoltaic energy
Type of growth with a J-shaped curve?
Exponential growth
Conversion of nitrogen gas into usable forms by bacteria?
Nitrogen fixation
Practice of planting a single crop over a large area?
Monoculture
Process by which nutrient runoff causes oxygen depletion in water?
Eutrophication
The renenewable energy source that uses heat from Earth's interior to generate electricity?
Geothermal energy
Number of individuals of each age in a population?
Age structure
The gradual replacement of one community by another over time in an ecosystem is called?
Ecological succession
Water conservation technique using pipes to deliver water directly to plant roots?
Drip irrigation
Practice of reduing, recycling, and reusing materials?
3Rs
Fossil fuel formed from ancient plant material under heat and pressure?
Coal
Effect of limiting factors keeping the population near carrying capacity?
Logistic Growth
Species that are only found in a specific area and are vulnerable to extinction?
Endemic species
Large-scale irrigation that leads to soil salt buildup, reducing fertility over time?
Salinization
Internationally recognized protocol designed to phase out the production of ozone-depleting substances?
Montreal Protocol