Ecosystems

only found in forests

the place where animals live

a collection of organisms and materials that interact

unchanging, fragile systems that are easily damaged

Sunlight

Animals

Soil

Dead plants

Resilience

Boundaries

Scale

Food webs

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

Living and non-living things in an area and their interactions

Kilometer

All of the above

Centimeter

Meter