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6 Cards in this Set

  • Front
  • Back
What is a natural resource?
Any type of matter or energy from Earth's enviroment that humans use to meet their needs.
What is population density?
A measure of the number of organisms that live in a given area.
What is pollution?
The release of harmful substances into the air, water, or land.
What is biodiversity?
The number and variety of living things found on Earth or within ecosystems.
What is conservation?
The process of saving or protecting a natural resource.
What is sustainable?
A term that describes the managing of ceratain natural resources so that they are not harmed or used up.