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