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.