Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

Learn about the plants and animals that make deciduous forests their home, then complete the crossword puzzle.

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.