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