Frogs and toads belong to the largest of the three groups of amphibians. There are more than 4,000 species of frogs and toads alive today.The earliest known frog-like ancestor is Gerobatrachus, a toothed amphibian that lived about 290 million years ago.rogs and toads belong to the largest of the three groups of amphibians. There are more than 4,000 species of frogs and toads alive today.
Engineering fees themselves can be broken down into a few categories, each making up a percentage of the overall fee. Preliminary design services should be approximately 30 percent of the fees, while final design services and paperwork should equal another 45 percent. Construction and contract administration should be 20 percent, and tender call services should make up the final 5 percent.
Architects charge 15% to 20% for remodeling projects, while new construction runs between 5% and 15%. Some architects charge a percentage based on the construction costs. The percentage depends on whether the project is for new construction or remodeling existing construction.