**Please Note: this product is also part of the Ecosystems Bundle. If you have already purchased that product then you do not need to purchase this one.
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This file features a 30-page powerpoint presentation featured around the topic of ecosystems. Topics included are:
- Aquatic ecosystems including: pond, marsh, swamp, stream, river, ocean
- Terrestrial ecosystems including: desert, grasslands, rainforest, forest
- population and community
Many pictures and examples are included on each slide. Real-life images and graphics are guaranteed to keep your students interested in the lesson.