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PCS Liv Env

Vocabulary for Topic 7 - Human Impact on Ecosystems

TermDefinition
Carrying Capacity the largest population of any single species that survives by eating animals
Deforestation forest destruction that results from human activity
Direct Harvesting the destruction of an organism, or the removal of an organism from its habitat
Energy Flow the movement of energy through an ecosystem
Fossil Fuel a fuel, such as coal and gas, that comes form the remains of organisms that lived millions of years ago
Global Warming an increase in Earth's average surface temperature caused by an increase in greenhouse gases
Industrialization the process of converting an economy into one in which large-scale manufacturing is the primary economic base
Nonrenewable Resource any resource, such as fossil fuels and minerals, that cannot be replaced
Nuclear Fuel an energy source that results form splitting atoms
Ozone Shield the layer of ozone gas in the upper atmosphere that protects Earth from some of the sun's radiation
Pollution a harmful change in the chemical make-up of the soil, water, or air
Renewable Resource Earth's resources, such as our food supply and solar energy, which can be replaced
Technology all of the practical scientific knowledge that has been used to meet human needs
Trade-Off an exchange or agreement made to reach a compromise
Water Cycle the process by which water continuously moves from Earth's surface to the atmosphere and back
Created by: Ms.Sala