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