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The Remarkable Water Bear! Trivia Quiz

Not a lot of people are familiar with this amazing microscopic organism. This quiz was designed to show you just how remarkable this little creature truly is.

A multiple-choice quiz by Oblivious16037. Estimated time: 4 mins.

Author
Oblivious16037

Time
4 mins

Type
Multiple Choice

Quiz #
327,747

Updated
Dec 03 21

# Qns
10

Difficulty
Average

Avg Score
6 / 10

Plays
357

One at a Time - Single Page - Timed Game

Question 1 of 10

1. Water bear is only the common name for the remarkable little creature. What is the proper scientific name for this amazing little animal? Hint

Protozoa

Ursidae

Tardigrade

Ecdysoza

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Question 2 of 10

2. The majority of water bears use what method of reproduction? Hint

Internal Fertilization

Binary Fission

Budding

External Fertilization

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Question 3 of 10

3. Where does the water bear get its nickname? Hint

How it Looks

How it Kills its Prey

How it Eats

How it Walks

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Question 4 of 10

4. In order to survive in extreme situations and environments, water bears go into a dry state that is almost like hibernation. What is this state called? Hint

Haemocoel

Nonmotile State

Cryptobiosis

Gluconeogenesis

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Question 5 of 10

5. Who was the first person to describe the water bear and is therefore called its discoverer? Hint

Lazzaro Spallanzani

Johann August Ephraim Goeze

Jean-Baptiste Lamarck

Ian Wilmut

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Question 6 of 10

6. Which of the following best describes the water bear's current status in terms of how many there are in the world? Hint

Extinct

Threatened

Endangered

Low Risk

7. Water bears can survive in environments of extreme pressure. Fill in the blank and complete the sentence with the best choice:
Water bears can survive in an environment that has six times the amount of pressure than ___________________________________________.
Hint

the deepest ocean trench on Earth

a point ten miles under the Earth's crust

a vacuum devoid of oxygen

there is at the top of Mt. Everest

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Question 8 of 10

8. Due to the fact that water bears can survive pretty much any situation you put them in, they are known as what type of extremophile? Hint

Piezophile

Cryophile

Polyextremophile

Xerophile

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Question 9 of 10

9. What body systems does a water bear NOT have? Hint

Digestive/Circulatory Systems

Nervous/Reproductive Systems

Circulatory/Respiratory Systems

Reproductive/Digestive Systems

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Question 10 of 10

10. Where is the most convenient place for the average observer to find a water bear? Hint

On Top of the Himalayas

On Lichens (a Type of Fungi) and Mosses

In Hot Springs

In Ocean Sediment

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Most Recent Scores

Oct 29 2024 : Guest 73: 6/10
Sep 26 2024 : Triviaballer: 8/10

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Quiz Answer Key and Fun Facts

1. Water bear is only the common name for the remarkable little creature. What is the proper scientific name for this amazing little animal?

Answer: Tardigrade

Tardigrade means "slow walker" and is taken from Tardigrada, this animals phylum.
Urisdae is the proper scientific name for bears.
Ecdysoza is the water bear's superphylum group.
Protozoa is a subkingdom of single celled organisms.

2. The majority of water bears use what method of reproduction?

Answer: External Fertilization

The vast majority of water bears use external fertilization as a method of reproduction. However, there are a few species that are known to use internal fertilization instead.

3. Where does the water bear get its nickname?

Answer: How it Walks

Water bears get there nickname from the way they walk which greatly resembles the way an actual bear does.

4. In order to survive in extreme situations and environments, water bears go into a dry state that is almost like hibernation. What is this state called?

Answer: Cryptobiosis

During a state of cryptobiosis, the water bear is actually capable of completely reversing its metabolism.
Gluconeogenesis is the process by which a hibernating animal gets energy.
A haemocoel is a type of body cavity.

5. Who was the first person to describe the water bear and is therefore called its discoverer?

Answer: Johann August Ephraim Goeze

Johann August Ephraim Goeze was the first person to describe the water bear and is therefore called its discoverer.
Lazzaro Spallanzani actually gave the water bear its name years after Goeze first described it.
Jean-Baptiste Lamarck was an evolutionist who had the right concept but the wrong ideas.
Ian Wilmut was actually one of the men who helped clone Dolly the sheep.

6. Which of the following best describes the water bear's current status in terms of how many there are in the world?

Answer: Low Risk

Water bears are about as low risk as you can get. There are an abundance of them all over the world!

7. Water bears can survive in environments of extreme pressure. Fill in the blank and complete the sentence with the best choice: Water bears can survive in an environment that has six times the amount of pressure than ___________________________________________.

Answer: the deepest ocean trench on Earth

Water bears have shown that they can survive in an environment that has 6,000 atmospheres of pressure. That's equivalent to about six times more than the deepest ocean trench on Earth!

8. Due to the fact that water bears can survive pretty much any situation you put them in, they are known as what type of extremophile?

Answer: Polyextremophile

A polyextremophile is an organism that has traits of many different kinds of extremophiles. Water bears can, among other things, survive temperatures of 303 degrees Fahrenheit and -460 degrees Fahrenheit, live for over 100 years without water, and survive ten days in outer space with no protection.
A cryophile is an organism that thrives at very low temperatures.
A xerophile is an organism that can live and reproduce in environments with little or no water.
A piezphile is an organism that thrives in high pressure.

9. What body systems does a water bear NOT have?

Answer: Circulatory/Respiratory Systems

Due to the small size of water bears, they have no need for any body systems that specialize in gas exchange. Therefore, they do not have a circulatory system or a respiratory system.

10. Where is the most convenient place for the average observer to find a water bear?

Answer: On Lichens (a Type of Fungi) and Mosses

While the water bear has been found in all of the above locations, by far the most convenient is on lichens and mosses. That means you can go out back and find a water bear in your own yard!

Source: Author Oblivious16037

This quiz was reviewed by FunTrivia editor crisw before going online.
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