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