GEN ED: EARTH SCIENCE

Is a term describing any relationship or interaction between two dissimilar organisms. The specific kind of symbiosis depends on whether either or both organisms benefit from the relationship.

Where one species benefits and the other is neither harmed nor helped.

Organisms that compete for the same resources in the same place and at the same time. 

One species survives on consuming the other species

Are aquatic environments with high levels of dissolved salt, such as those found in or near the ocean. 

Are barren areas of land characterized by extremely high or low temperatures, with low rainfall and scarce or no vegetation. 

These are the some of the world's wettest ecosystems.

Ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy, and rainfall is scant.

Covered with snow for much of the year, but summer brings bursts of wildflowers.

A forest of the cold, subarctic region. The subarctic is an area of the Northern Hemisphere that lies just south of the Arctic Circle. Lies between the tundra to the north and temperate forests to the south.

Geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life.

Widely used for cooking and for heating homes. It consists mostly of methane.

Burning fossil fuels, manufacturing, oil refineries, electricity generation, and vehicles all release sulfur and nitrogen oxides into the atmosphere THAT CAUSE

Naturally occurring inorganic solids that have a definite chemical composition in which the atoms are arranged in an orderly pattern called the "crystalline structure". 

A global ecosystem made up of living organisms (biota)and the nonliving (abiotic) factors that provide them with energy and nutrients.