Supporting sentence: Sharks have existed for more than 400 milion yeasr, making them one of the oldest creatures on Earth.

Supporting sentence: Its skin is covered with tiny rough scales that help reduce water friction. The body shape of sharks varies; some are long like a torpedo, while others are unique like hammerhead sharks with wide heads female sharks are 4,5-5,5 meters long, while males reach 3,5-4,5 meters. Shark teeth are very sharp and arranged in several rows. If a tooth breaks, a new one will quickly replace it. The shape of shark teeth differs depending on their food: some are pointed to catch fish, serrated to tear meat, flat to crush shells, and very small in plankton-eating sharks.

Supporting sentence: Some species live in shallow waters near the coast, while others live in deep ocean. Some shark prefer warm, tropical waters, while others live in colder waters. they typically inhabit areas wiht abundant fish as a food source.

Supporting sentece: Most sharks are carnivores, meaning they prey on other animals in the sea. Small sharks usually eat small fish such as sardines, herrings, or mackerels. In addition, they often feed on marine invertebrates such as squids, octopuses, crabs, and shrimps. Larger sharks can hunt bigger marine animals such as seals, sea lions, small dolphins, and even whale carcasses. Not all sharks are fierce predators. Some species feed on plankton, such as whale sharks and basking sharks. These types of sharks do not have large teeth to tear flesh, but instead use their wide mouths to filter plankton, small shrimps, and tiny fish from the seawater. In addition, there are also types of sharks that search for food on the seabed by preying on clams, sea snails, or bottom-dwelling fish such as eels and small rays.

A shark’s body is slim and streamlined, allowing it to swim fast. Its skin is covered with tiny rough scales that help reduce water friction. The body shape of sharks varies; some are long like a torpedo, while others are unique like hammerhead sharks with wide heads female sharks are 4,5-5,5 meters long, while males reach 3,5-4,5 meters. Shark teeth are very sharp and arranged in several rows. If a tooth breaks, a new one will quickly replace it. The shape of shark teeth differs depending on their food: some are pointed to catch fish, serrated to tear meat, flat to crush shells, and very small in plankton-eating sharks.

Sharks live in sea and ocean worldwide. Some species live in shallow waters near the coast, while others live in deep ocean. Some shark prefer warm, tropical waters, while others live in colder waters. they typically inhabit areas wiht abundant fish as a food source.

Sharks are known as ocean predators that have a very diverse diet. Most sharks are carnivores, meaning they prey on other animals in the sea. Small sharks usually eat small fish such as sardines, herrings, or mackerels. In addition, they often feed on marine invertebrates such as squids, octopuses, crabs, and shrimps. Larger sharks can hunt bigger marine animals such as seals, sea lions, small dolphins, and even whale carcasses. Not all sharks are fierce predators. Some species feed on plankton, such as whale sharks and basking sharks. These types of sharks do not have large teeth to tear flesh, but instead use their wide mouths to filter plankton, small shrimps, and tiny fish from the seawater. In addition, there are also types of sharks that search for food on the seabed by preying on clams, sea snails, or bottom-dwelling fish such as eels and small rays.