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