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