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.
Unique Characteristics. 1.The skeleton of the cartilaginous fish is out of a flexible bone-cartilage. The skeleton does not have any bone. 2.These fish have dorsal fins, an anal fin, a pair of ventral fins and a single caudal fin.he bony fish have a pair of gills that are situated inside their bodies, and the cartilaginous fish have gill slits on the outer side of their bodies, present on both sides. In the cartilaginous fish, the teeth, nostrils on the side of the head and the tiny tooth like scale are not fused together to the jaw.