This Web site on amphibian biology and conservation contains information on over 130 species. It provides descriptions, life history information, conservation status, and photos. There are photos of over 140 species, and range maps of over 300 species. Responses are given within 24 to 48 hours.
Students can access a message board to see if their questions have already been answered.
This site focuses on concept-based problem solving. Focusing on middle school algebra, this site contains archived answers to students' algebra questions. Access to many different online calculators including numerical, health, converters, cooking, fun, sports, time, pricing and many more. Algebra problems are presented including showing the steps in solving the problems. You can choose from Equations, Factoring, and Graphing problems.