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