unchanging, fragile systems that are easily damaged
a collection of organisms and materials that interact
the place where animals live
only found in forests
Flow of energy from one organism to another in a food web
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
Sunlight
Dead plants
Soil
Animals
Food webs
Scale
Resilience
Boundaries
All of the above
Centimeter
Kilometer
Meter