Yes.
Sharks belong in the fish family and resultingly the largest fish in the world is the basking shark. (A+ free swimmers)
It depends on what kind of shark it is. The sharks mistake swimmers for seals and other pray. It doesn't happen on purpose.
No.
Sharks polar bears sharks clownfish and blue whales
Yes they are, they can swim up to 2.4Km
Hammerhead sharks can eat swimmers. However, they do have very small mouths compared to other sharks. This will make them have a harder time trying to bite and devour you. Sharks are not aggressive animals though, so you should not worry unless you are provoking them.
The predicate adjective in this sentence would be careful.
Sharks are very adapt predators when in their habitat, the ocean. They are excellent swimmers and can locate a drop of blood in the water from a very long distance. Sharks breathe underwater by swimming constantly.
No, despite their name, bull sharks are free of horns.
Fish are fish, dolphins are mammals, squid are fish. They are classified as Nekton, which means free swimmers.
Blacktip sharks are generally not considered deadly to humans. They are known for their agility and acrobatics but are typically shy and avoid confrontation. While they can bite if provoked or threatened, such incidents are rare. Overall, blacktip sharks pose minimal risk to swimmers and divers.
Yes, sharks have an endoskeleton, but it is made primarily of cartilage rather than bone. Cartilage is a flexible tissue, which allows sharks to be more agile swimmers. This cartilaginous structure is a characteristic feature of all members of the class Chondrichthyes, which includes sharks, rays, and skates.