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