What is an ecosystem? The answer to this question in simple language.
Dioramas that depict ecosystems can make good and easy science fair projects. Here are some simple steps to make a grassland ecosystem diorama. Sketch a diagram of the kind of diorama you plan to make. It will work as a guideline.
Estuaries and wetlands are important ecosystems that filter and clean water, recycle nutrients and provide unique habitats. Demonstrate the function and importance of a wetland to your class with this simple, quick and inexpensive model. Materials: 1...