EaSp: Human Impact on the Environment

Front

This is a pattern of growth in which a population grows faster as it increases in size.

Back

exponential growth

Front

The number of organisms that any given environment can support is the _____________________.

Back

carrying capacity

Front

Environmental factors that do not depend on population size, such as storms and fires is called _____________________.

Back

density-independent factors

Front

Environmental factors that depend on population size, such as disease, predators, and competition for food are called ______________.

Back

density-dependent factors

Front

The material left after the ore is extracted is called ___________.

Back

tailings

Front

In the US, the Surface Mining Control and Reclamation Act of 1977 requires mining companies to restore the land to its original contours and to replant vegetation in a process called _____________________.

Back

reclamation

Front

The removal of trees from a forested area without adequate replanting.

Back

deforestation

Front

The use of organisms to clean up or break down toxic wastes is called _________________.

Back

bioremediation

Front

A type of air pollution that forms mainly from automobile exhaust in the presence of sunlight is called ___________. Options: photochemical smog, carbon dioxide pollution, sulfur dioxide pollution, photosynthesis toxicants.

Back

photochemical smog

Front

The use of CFC's and other chemicals were depleting the ______________.

Back

ozone layer