Earth Day: Sea Animals Quiz

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| By Grafixgale

Grafixgale

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Quizzes Created: 1 | Total Attempts: 5,016

Questions: 6 | Attempts: 5,016 | Updated: Aug 18, 2023

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In honor of Earth Day. . . A quiz about sea animals. How much do you know?

Questions and Answers

1.

What kind of an animal is a sea dragon?
- A.
  
  A marine reptile, related to sea snakes
- B.
  
  A cephalapod, related to squids and octopus
- C.
  
  A fish, related to seahorses
- D.
  
  It doesn't really exist, fooled ya!
Correct Answer
C. A fish, related to seahorses

Explanation
Sea dragons are actually a type of fish that are closely related to seahorses. They belong to the family Syngnathidae, which also includes pipefish. Sea dragons have long, slender bodies and leaf-like appendages that help them camouflage in seaweed and other underwater plants. They are found in the waters around Australia and are known for their vibrant colors and intricate patterns. Despite their resemblance to mythical creatures, sea dragons are very much real and are fascinating examples of marine life.

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2.

A shark's skeleton is made out of...
- A.
  
  Minerals
- B.
  
  Cartilege
- C.
  
  Bone
- D.
  
  It has no skeleton
Correct Answer
B. Cartilege

Explanation
A shark's skeleton is made out of cartilage. Cartilage is a flexible and lightweight connective tissue that provides support and structure to the shark's body. Unlike bone, cartilage is not as hard and rigid, allowing the shark to move more easily and efficiently in water. This adaptation is beneficial for the shark's swimming and hunting abilities. Additionally, cartilage is more resistant to damage and does not require constant repair and maintenance like bone does.

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3
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3.

Sea turtles drink a lot of seawater. How does it get rid of the excess salt in its body?
- A.
  
  By crying
- B.
  
  By sneezing
- C.
  
  By vomiting
- D.
  
  By going on a low-salt diet
Correct Answer
A. By crying

Explanation
Sea turtles have specialized glands near their eyes that produce tears. These tears help them get rid of the excess salt in their bodies. When they drink seawater, the excess salt is absorbed into their bloodstream. By crying, the sea turtles are able to release the excess salt through their tears, maintaining the balance of salt in their bodies.

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4.

What is the largest fish in the world?
- A.
  
  The great white shark
- B.
  
  The bluefin tuna
- C.
  
  The giant swordfish
- D.
  
  The whale shark
Correct Answer
D. The whale shark

Explanation
The whale shark is the largest fish in the world. It can grow up to 40 feet long and weigh up to 20 tons. Despite its massive size, the whale shark is a gentle giant, feeding mainly on plankton and small fish. It has a distinctive pattern of white spots and stripes on its dark blue-gray body. The whale shark is found in tropical and warm temperate oceans and is a popular attraction for divers and snorkelers. Its size and unique characteristics make it a fascinating and awe-inspiring creature.

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5.

What is the largest sea animal on earth?
- A.
  
  The bluefin tuna
- B.
  
  The blue whale
- C.
  
  The fin whale
- D.
  
  The whale shark
Correct Answer
B. The blue whale

Explanation
The blue whale is the largest sea animal on earth. It can grow up to 100 feet long and weigh around 200 tons. Its massive size and weight make it the largest known creature to have ever existed. Blue whales primarily feed on krill and can consume up to 4 tons of krill in a single day. They are found in oceans around the world and are known for their distinct blue-gray color and long, slender body. Due to their large size, blue whales have few natural predators and are considered an endangered species.

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6.

Which sea animal can live to be 200 years old?
- A.
  
  Sperm whale
- B.
  
  Sea turtle
- C.
  
  Bowhead whale
- D.
  
  B and C
- E.
  
  A and B
Correct Answer
D. B and C

Explanation
Bowhead whales and sea turtles are the sea animals that can live to be 200 years old. Bowhead whales are known to have the longest lifespan of any mammal, with some individuals living for over 200 years. Sea turtles, particularly the giant tortoises, also have a long lifespan and can live for more than 200 years in some cases. Both of these animals have adaptations and characteristics that contribute to their longevity, such as slow metabolism and a low reproductive rate.

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Current Version
Aug 18, 2023

Quiz Edited by
ProProfs Editorial Team
Apr 10, 2010

Quiz Created by
Grafixgale

Earth Day: Sea Animals Quiz

What kind of an animal is a sea dragon?

A shark's skeleton is made out of...

Sea turtles drink a lot of seawater. How does it get rid of the excess salt in its body?

What is the largest fish in the world?

What is the largest sea animal on earth?

Which sea animal can live to be 200 years old?