Soil
Animals
Dead plants
Sunlight
Food webs
Scale
Boundaries
Resilience
the place where animals live
only found in forests
a collection of organisms and materials that interact
unchanging, fragile systems that are easily damaged
Kilometer
All of the above
Meter
Centimeter
Conditions an animal needs to grow and reproduce
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