A narwhal is a kind of porpoise. It lives in the Arctic Sea. Narwhals are found near the coasts and sometimes in rivers. They have only two teeth. In males, the top tooth grows to be rather large. The tooth can grow to be nearly ten feet (3 meters) long. This makes the narwhal look like a unicorn. Narwhals are carnivores, but they do not use their teeth to hunt. They feed on fish, shrimp, and other small marine life. Like dolphins, they often travel in groups. In rare cases, narwhal groups can have hundreds or even thousands of members.

Question

A narwhal is a kind of porpoise. It lives in the Arctic Sea. Narwhals are found near the coasts and sometimes in rivers. They have only two teeth. In males, the top tooth grows to be rather large. The tooth can grow to be nearly ten feet (3 meters) long. This makes the narwhal look like a unicorn. Narwhals are carnivores, but they do not use their teeth to hunt. They feed on fish, shrimp, and other small marine life. Like dolphins, they often travel in groups. In rare cases, narwhal groups can have hundreds or even thousands of members.

Do It!

A male narwhal has a(n) _________ tooth.

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A unusual
B delicate
C hollow
D valuable

Answer 1

A valuable

Answer 2

The tooth of a male narwhal is A) unusual.

Answer 3

To answer this question, we need to identify the characteristic of a male narwhal's tooth based on the information provided. According to the passage, a male narwhal's top tooth grows to be rather large, and it can grow to be nearly ten feet (3 meters) long, making the narwhal look like a unicorn.

Therefore, the correct answer is D) valuable, as the large tooth of a male narwhal is highly sought after and considered valuable due to its unique appearance.