1.
How long are great white sharks?
Correct Answer
D. 15 -20 feet
Explanation
Great white sharks are one of the largest predatory fish in the ocean. On average, adult great white sharks typically measure from 15 to 20 feet (4.6 to 6.1 meters) in length.
2.
What is the diet of a white shark?
Correct Answer
D. All of the Above
Explanation
White sharks prefer to dine on fish, dolphins, porpoises, whale carcasses, seals, sea lions, and the occasional sea turtle.
3.
The last documented report of a shark attacking a human in Massachusetts water happened in:
Correct Answer
C. 1936
Explanation
The last great white shark attack near the Cape was in 1936 in Buzzards Bay.
4.
The great white shark is the world's largest known predatory fish.
Correct Answer
A. True
Explanation
The statement is true because the great white shark is indeed the largest known predatory fish in the world. It can grow up to 20 feet in length and weigh over 5,000 pounds. With its powerful jaws and sharp teeth, it is an apex predator that feeds on a variety of marine animals. Its size and hunting abilities make it an incredibly formidable and efficient predator in the ocean.
5.
Humans are not healthy for great white sharks to eat for what reason?
Correct Answer
C. High ratio of bone to muscle fat
Explanation
Humans are not healthy for great white sharks to eat because the sharks' digestion is too slow to cope with the human body's high ratio of bone to muscle and fat.
6.
The bull shark swims in both salt and freshwater.
Correct Answer
A. True
Explanation
Bull sharks are unique among sharks because they are able to tolerate and swim in both saltwater and freshwater environments. They have a special adaptation that allows them to regulate the salinity of their body fluids, enabling them to move between different types of water. This ability makes bull sharks highly adaptable and allows them to inhabit a wide range of habitats, including rivers, estuaries, and even lakes. Therefore, the statement that bull sharks swim in both salt and freshwater is true.
7.
The bull shark swims in both salt and freshwater.
Correct Answer
B. False
Explanation
True. The bull shark, known for its ability to tolerate a wide range of salinity, can be found in both saltwater and freshwater environments, including rivers and estuaries. This adaptability allows it to inhabit diverse habitats and makes it unique among shark species.
8.
What "gentle giants" eat only plankton?
Correct Answer
D. All of the Above
Explanation
These huge sharks eat plankton, a tiny shrimp-like creature found in the ocean.
9.
What are baby sharks called?
Correct Answer
B. Pup
Explanation
Baby sharks are called pups.
10.
Can you name one of a shark's special senses?
Correct Answer
D. All of the Above
Explanation
Sharks have several special senses that give them a unique advantage in their aquatic environment. They can feel vibrations in the water, allowing them to detect the movement of potential prey or predators. Additionally, sharks have the ability to sense the electrical fields produced by their prey, helping them locate and capture their food. Furthermore, sharks have a mirror-like layer in their eyes called the tapetum lucidum, which enhances their vision and allows them to see better in the water. Therefore, the correct answer is "All of the Above" as it encompasses all the mentioned special senses of sharks.
11.
How heavy is a great white shark?
Correct Answer
B. 3,000 pounds
Explanation
A great white shark can weigh up to 3,000 pounds. These sharks are known for their large size and can grow to be over 20 feet long. They have a robust and muscular body, which contributes to their weight. Their diet consists mainly of seals and sea lions, which require a strong and powerful body to catch and consume. The weight of a great white shark can vary depending on factors such as age, sex, and overall health, but 3,000 pounds is a common average weight for an adult great white shark.
12.
What can a great white do that most sharks can't?
Correct Answer
D. Lift its head out of water
Explanation
Great white sharks have the ability to lift their heads out of the water, which is a unique characteristic not found in most other shark species. This allows them to have a better view of their surroundings and potential prey, as well as enabling them to interact with objects above the water's surface. This ability is due to their powerful muscles and flexible neck, which gives them more mobility compared to other sharks.