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