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