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What covers the body of fish What does it do?
Most are ectothermic and covered with scales. Scales protect fish from predators and parasites and reduce friction with the water. Multiple, overlapping scales provide a flexible covering that allows fish to move easily while swimming.
What do fish have on their body?
True fish have a backbone and fins. Most also breathe with gills and have scales that cover their bodies. A fish’s fins are used for balance and to help propel and steer through the water. Most fish have 2 types of fins: single fins that are found along the centerline (top and bottom) of the fish, and paired fins.
Why is the body of fish streamlined give reason?
Fishes have streamlined body so that it can reduce friction in water and thus helping the fishes to move easily.
Why is a fish’s body covered in scales?
Many fish have an outer covering of scales. Scales protect fish, much like a suit of armor. This substance allows the fish to swim through the water with very little drag and also makes it difficult for other organism to attach to the fish. So mucus is also a protective feature.
What is characteristic of fish?
These characteristics include: Live in water their entire lives. Vertebrates have a backbone, and some cartilaginous fish have vertebrae made of cartilage rather than calcium-hardened bone. Gills, which are slits on both sides of fish that allow for respiration, or the exchange of oxygen and carbon dioxide.
What is in fish skin?
Fish skin is a great source of nutrients that support optimal human health, such as protein, omega-3 fatty acids, and vitamin E. Consuming fish skin could contribute to muscle growth, improved heart health, and healthy skin.
What is streamline in fish?
The shape of the body is said to be streamlined, if the body tapers at both the ends. Fishes have streamlined body so that they have less resistance when swimming in water.