Although, they may vary in size, style and costs to repair. Servicing your home garage door costs an average of $209 while accessibility, scheduling and working conditions at commercial businesses average $249 and $219 for apartment buildings.
Characteristics of the Five Vertebrate Groups. Fish. The body of the fish is covered in scales and has fins attached to help it move through the water. Fish breathe using gills which take oxygen out of the water.When male and female fish mate, the eggs often meet the sperm in the water.This is called external fertilization. Examples of fish are the herring, which lives in the sea, and the pike which is a freshwater fish.Amphibians. The skin of amphibians is very thin and must always be kept wet because amphibians breathe through their skin.his is called external fertilization. Examples of fish are the herring, which lives in the sea, and the pike which is a freshwater fish. Amphibians. The skin of amphibians is very thin and must always be kept wet because amphibians breathe through their skin.
Five Basic Characteristics of Fish By Stuart Robertson; Updated April 24, 2017 Fish is an animal category that encompasses many species of water dwellers, and even a few species that do not spend all that much time in the water. There are several basic characteristics that are common to most fish, but only a few, like the presence of gills, can be applied to all fish. In fact fish are the most diverse animal species, among the vertebrates, with 32,000 members according to FishBase, a comprehensive database of information on fish used by researchers and zoologists.