What body part does a shark use for protection?

What body part does a shark use for protection?

Aside from razor-sharp teeth and generally tough, abrasive hides, some sharks have specialized physical features that act as defensive armor. Certain species, such as the horn shark, have dorsal spines to discourage predation.

What is the body structure of sharks?

Body structure They have a sharply pointed conical snout, large pectoral and dorsal fins, and a strong crescent-shaped tail. Only the belly of white sharks is whitish. They have a contrasting pattern of dark blue, gray, or brown on their back and sides.

What structural adaptations does a shark have?

Adaptations. Shark bodies have a torpedo shape to reduce drag in the water. White sharks have stiffer tail fins and more symmetrical bodies than other sharks, which enable them to move more efficiently through the water.

What is a sharks special body part?

A shark has fins and a streamlined body that help it swim through water. It has gills, which take in oxygen directly out of the water. Because of its gills, sharks can stay underwater and not have to come to the surface to breathe. Sharks also have a tremendous number of sharp teeth, which make them fierce predators.

How does a shark camouflage?

Modern forms of sharks and rays first emerged over 150 million years ago. The upper side of a shark is generally dark to blend in with the water from above and their undersides are white or lighter colored to blend in with the lighter surface of the sea from below. This helps to camouflage them from predators and prey.

What are sharks body parts called?

Most sharks have eight fins: a pair of pectoral fins, a pair of pelvic fins, two dorsal fins, an anal fin, and a caudal fin.

What is a physical adaptation of a shark?

Sharks combine physical adaptations such as sharp teeth, heightened senses and a forceful body and tail with behavioral techniques to catch prey. Sharks are nocturnal predators of the ocean, feeding at night between low and high tide, and typically in shallow water near reefs.

Where are the body parts of a shark located?

The Body Parts of a Shark Explained in Detail. A shark has two of these as well, where its excretion exits from a little opening between these on the underside. These fins are positioned on either side towards the bottom of the shark’s body. These help a shark in swimming smoothly and basically forms the tail portion of the shark.

Which is the most important part of a shark’s fin?

This fin, also known as the tail fin, has an upper and lower lobe that, depending on the type of shark, can vary in shape and size. The upper lobe of the caudal fin produces the majority of the shark’s thrusting abilities. The tail fin is one of the most important parts of the entire shark anatomy.

Where does the excretion of a shark come from?

A shark has two of these as well, where its excretion exits from a little opening between these on the underside. These fins are positioned on either side towards the bottom of the shark’s body. These help a shark in swimming smoothly and basically forms the tail portion of the shark.

Why are sharks covered in tooth like structures?

Vortices and whirlpools are often formed behind the placoid scales as a shark swims. This helps the sharks swim efficiently. The fact that sharks are completely covered in tooth-like structures may seem alarming, but not only are they resourceful when it comes to swimming, but they also form a barrier of protection.