Cycling of nitrogen between soil, water, and the atmosphere
Living and non-living things in an area and their interactions
Conditions an animal needs to grow and reproduce
Flow of energy from one organism to another in a food web
Soil
Sunlight
Animals
Dead plants
Meter
All of the above
Centimeter
Kilometer
a collection of organisms and materials that interact
only found in forests
the place where animals live
unchanging, fragile systems that are easily damaged
Resilience
Boundaries
Food webs
Scale