Reducing biodiversity

Cards (7)

What is biodiversity? 
The variety of living things on earth, or within a particular ecosystem.
3 reasons maintaining high biodiversity is important?
Increases stability of ecosystem.
Species provide services eg pollination.
Many medical drugs come from wild species.
2 impacts of rapid growth in human population?
More waste is being produced.
More resources are being used.
As humans produce more and more waste, it pollutes the water, land and air.
2 subtances that contribute the most to water pollution?
Sewage from cities.
Fertiliser from agriculture.
2 substances that contribute to air pollution?
Acidic gases from burning fossil fuels.
Smoke from combustion.
2 substances that contribute to land pollution?
Nuclear waste.
Landfill.