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.
Vertebrates /ËvÉrtÉ¨brÉts/ comprise any species of animals within the subphylum Vertebrata /-ÉË/ (chordates with backbones). Vertebrates represent the overwhelming majority of the phylum Chordata, with currently about 64,000 species described.Vertebrates include the jawless fish and the jawed vertebrates, which includes the cartilaginous fish (sharks and rays) and the bony fish.A bony fish clade known as the lobe-finned fishes is included with tetrapods, which are further divided into amphibians, reptiles, mammals, and birds.ertebrates include the jawless fish and the jawed vertebrates, which includes the cartilaginous fish (sharks and rays) and the bony fish.