Soil
Water
Tree
Moss
An ecosystem is composed of a complex biological community and the nonliving components in which they interact.
Click on the forest ecosystem to continue.
An ecosystem is composed of a complex biological community and the nonliving components in which they interact.
An ecosystem is composed of a complex biological community and the nonliving components in which they interact.
Abiotic factors are the nonliving components of an ecosystem and include such things as water, soil, air, and sunlight.
Abiotic factors are the nonliving components of an ecosystem and include such things as water, soil, air, and sunlight.
Biotic factors are the living, or once-living, members of an ecosystem. Bacteria, moss, mushrooms, and dead trees are an example of biotic factors.
Biotic factors are the living, or once-living, members of an ecosystem. Bacteria, moss, mushrooms, and dead trees are an example of biotic factors.