The marsh food chain flip book has 42 pages of black and white PDF materials and includes answer keys (in color), pages for differentiation and easy and fast cutting page formatting. The food chain PowerPoint is 7 pages and includes poster format.
The ecosystems PowerPoint vocabulary slideshow has 28 slides and 28 word wall posters that define words students need to know.
Click the green preview button and see each individual product to see these in more depth. There's 98 pages of materials in all.