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