Natural Resources Basics
Which definition best captures the concept of a natural resource from a human-use perspective?
Naturally occurring materials that can be used to meet human needs
Which Earth system is primarily responsible for regulating weather and climate processes?
Atmosphere
Which statement best explains why soil is considered a critical natural resource?
It supports terrestrial plant life and food systems
Fossil fuels are classified as nonrenewable primarily because they
Require millions of years to form
Public lands differ from private lands primarily because they are
Managed for public benefit
Which item demonstrates the difference between a natural resource and a manufactured product?
Fresh water because it exists naturally
Wind is best described as energy resulting from
Solar radiation unevenly heating Earth’s surface
Soil erosion is a major concern because
Productive soil forms slowly
Which resource combination includes only fossil fuels
Coal, petroleum, natural gas
Why does Alaska contain the highest percentage of U.S. public lands
Historical federal land retention
Biotic resources are distinguished from abiotic resources because they…
Originate from living organisms
Sunlight is essential to ecosystems because it
Drives photosynthesis and energy flow
Water is classified as a renewable natural resource because it
Is constantly reused through natural cycles
Minerals differ from other natural resources because they are
Inorganic and naturally occurring
Which agencies collectively manage most federal lands
Agriculture and Interior
Which scenario best represents an abiotic resource?
Groundwater
Climate differs from weather because climate describes
Long-term weather patterns
Which process best illustrates the movement of water between Earth systems
The water cycle
Nonrenewable resources present management challenges because
Replacement takes geological time
The U.S. Department of the Interior plays a central role in
Federal land stewardship
An inexhaustible resource is best defined as one that
Will not be depleted on a human timescale
The increased atmospheric concentration of carbon dioxide is most directly linked to
Fossil fuel combustion
Which resource is renewable but can become limited through misuse
Fresh water
How does water influence seed germination
Water is necessary for germination, but too much causes seeds to rot or drown
Which characteristic best distinguishes National Park Service lands
Strict preservation and public enjoyment