Saving ecosystems by setting aside national parks.

When the community in an ecosystem changes over time.

Making a new habitat for wildlife from land previously used for other purposes.

Bacteria and algae blown or washed into a pond.

Areas protected by the United States government.

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Protecting Ecosystem

Unit B Chapter 3

Term	Definition
preservation	Saving ecosystems by setting aside national parks.
succession	When the community in an ecosystem changes over time.
reclamation	Making a new habitat for wildlife from land previously used for other purposes.
conservation	Using resources wisely.
pond, marsh, meadow, forest	Stages of a pond.
lichens, mosses	Grow on rocks around a pond.
nutrients	Bacteria and algae blown or washed into a pond.
national parks	Areas protected by the United States government.