Ecosystems

Ecosystem A set of relationships among the living resources, habitats, and residents of an area

When an ecosystem is healthy, scientists say it is __________ When an ecosystem is healthy, scientists say it is __________. This means it has all the elements it needs to survive. If an ecosystem doesn’t have all the elements it needs to survive, it is ____________. stable unstable

Habitat The natural environment where an organism lives

Land Ecosystems All the living organisms and their physical environment on a particular piece of LAND.

Examples of Land Ecosystems Rainforests Savannas Deserts Tundra Grasslands Woodlands Deciduous Forests

Fresh Water Ecosystems Ecosystems with fresh water.

Examples of Fresh Water Ecosystems Rivers Lakes Streams Ponds

Salt Water Ecosystems Ecosystems with salt water.

Examples of Salt Water Ecosystems Oceans Gulfs Bays

Rainforest A forest of tall trees in a region of year-round warmth. Rains frequently.

_________ components are living organisms that affect an ecosystem _________ components are living organisms that affect an ecosystem. _________components are non-living chemical and physical factors that affect an ecosystem. Biotic Abiotic