Check IT Out! 3 - UnIT 4

Explanation
The word "any" in this context is used to indicate that all sharks, regardless of size, are considered big. It implies that there is no exception and that every shark is classified as big.

Explanation
Sharks are cartilaginous fish, which means their skeletons are made of cartilage instead of bones. Therefore, it is correct to say that sharks have no bones.

Explanation
Bull sharks are known for their ability to travel up rivers, which is a unique characteristic among sharks. They have the ability to tolerate both saltwater and freshwater, allowing them to navigate through rivers and estuaries. This adaptability enables them to access new food sources and expand their habitat range. Their ability to travel up rivers is facilitated by their strong swimming capabilities and ability to regulate their body's saltwater balance. This behavior sets them apart from other shark species, making them highly adaptable and successful predators in various aquatic environments.

Explanation
The term "meter" in the given statement refers to a unit of measurement. It is used to quantify the length of the great white shark, indicating that it is more than six meters long.

Explanation
When a shark loses its teeth, it grows a new set of teeth. Sharks have multiple rows of teeth, and when one tooth is lost, another tooth from the row behind moves forward to replace it. This continuous cycle of tooth replacement ensures that the shark always has a functional set of teeth for hunting and feeding.

Explanation
The word "bigger" is used to compare the size of different sharks. In this context, it is stating that the whale shark is the largest shark in the world.

Explanation
The correct answer is "harmiless" which is likely a typographical error. The correct word should be "harmless" which means not causing any harm or danger. This suggests that the whale shark is not a threat or danger to humans or other marine creatures.

Explanation
The word "developing" suggests that the senses of sharks are continuously improving and becoming more advanced over time. This implies that sharks have a high level of sensory perception, which allows them to effectively navigate their environment and locate prey.

Explanation
Sharks have an amazing sense of smell.

Explanation
The term "failing" in this context refers to coconuts falling from trees and causing fatalities. This answer suggests that more people die from falling coconuts than from shark attacks. This may be due to the fact that coconuts are more commonly encountered in certain areas, such as tropical regions with coconut trees, while shark attacks are relatively rare occurrences. Additionally, coconuts can be quite heavy and falling from a significant height can cause serious injuries or even death.