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