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