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