eSource: Free Teaching Guides
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What Good Is a Dead Tree?
Creeaaakkkk . . . CRASH! A mighty oak has fallen in the forest. But fifty years later, the only evidence that it was there is a dark mark on the forest floor. Where did it go? Author and photographer Doug… View →
Wild Animal Neighbors
What would you do if you found an alligator in your garage? Or if you spotted a mountain lion downtown? In cities and suburbs around the world, wild creatures are showing up where we least expect them. Not all of them arrive by accident, and some are here to stay. As the human population View →