unchanging, fragile systems that are easily damaged
the place where animals live
only found in forests
a collection of organisms and materials that interact
Dead plants
Soil
Sunlight
Animals
Living and non-living things in an area and their interactions
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
Kilometer
Centimeter
All of the above
Meter
Boundaries
Resilience
Scale
Food webs