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