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