A terrestrial biome dominated by trees and other woody vegetation that has a moderate climate, well-defined seasons, and a distinct winter.
This is an important building block of organisms; found in sugars, the atmosphere, bodies of water, rocks, soil, organisms, and fossil fuels.
The careful and responsible management of a resource.
This refers to the number and variety of species that are present in an area.
An area of land that is saturated, or soaked, with water for at least part of the year.
The ability to do work and enables organisms to use matter in life processes.
A terrestrial biome that has grasses and few trees, high average temperatures, wet/dry seasons, and thin soils.
A terrestrial biome that has moderate precipitation, hot summers, cold winters, and deep soils rich in nutrients.
The process in which organic matter and nutrients slowly build up in a body of water.
The movement of water between the oceans, atmosphere, land, and living things.
The human population growth in and around cities.
A terrestrial biome that is very dry, receives less than 8 inches of precipitation a year, and soil is rocky or sandy.
The protection and wise use of natural resources.
A terrestrial biome that has low average temperatures and more precipitation than the tundra; the soil layer is thin, acidic, and nutrition-poor.