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