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