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Quiz about Tardigrades The Living Gummy Bears

Tardigrades: The Living Gummy Bears Quiz

Tardigrades are microscopic creatures believed to be halfway between nematodes and arthropods. Also known as "waterbears" or "moss piglets", I find them absolutely intriguing! I hope this quiz sparks an interest in tardigrades for you.

A multiple-choice quiz by jadranska. Estimated time: 6 mins.

Author
jadranska

Time
6 mins

Type
Multiple Choice

Quiz #
96,910

Updated
Dec 03 21

# Qns
10

Difficulty
Difficult

Avg Score
5 / 10

Plays
1706

Last 3 plays: landon3 (7/10), Guest 68 (6/10), Guest 75 (6/10).

One at a Time - Single Page - Timed Game

Question 1 of 10

1. Tardigrades are also called waterbears. Why? Hint

Under a microscope they resemble gummi bears with eight legs

They live in water and hunt for fish

They are omnivorous and eat salmon & berries

They maul people if provoked

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Question 2 of 10

2. Tardigrades are among the ________est animals. Hint

largest

nicest

meanest

hardiest

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Question 3 of 10

3. Are tardigrades rare?

Yes

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Question 4 of 10

4. Do tardigrades cause disease in plants?

Yes

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Question 5 of 10

5. Tardigrades were first discovered in which century? Hint

Twelfth

Eighteenth

Fifteenth

Twentieth

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Question 6 of 10

6. What phylum do tardigrades belong in?

Answer: (1 word)

7. The class Mesotardigrada has one order, Thermozoidia. Within this order is one genus, Thermozodiidae. This genus is represented by one species. Where will you usually find this one species? Hint

In a lake

In your bathtub

In hot springs

In a toilet

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Question 8 of 10

8. Female tardigrades are much more common than their male equivalents.

True

False

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Question 9 of 10

9. Like crustaceans and amphibians, tardigrades must live in or near a watery environment.

True

False

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Question 10 of 10

10. Which of these do tardigrades NOT have? Hint

exoskeletons

lunules

claws

tails

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Most Recent Scores

Dec 12 2024 : landon3: 7/10
Dec 11 2024 : Guest 68: 6/10
Dec 11 2024 : Guest 75: 6/10
Dec 09 2024 : Guest 166: 7/10
Dec 08 2024 : Guest 72: 9/10
Dec 06 2024 : Guest 204: 7/10
Dec 06 2024 : Guest 47: 6/10
Dec 06 2024 : Guest 65: 7/10
Dec 05 2024 : Guest 204: 7/10

Score Distribution

Quiz Answer Key and Fun Facts

1. Tardigrades are also called waterbears. Why?

Answer: Under a microscope they resemble gummi bears with eight legs

Tardigrades eat plant cells. They have eight legs with four to eight claws on each "hand".

2. Tardigrades are among the ________est animals.

Answer: hardiest

Tardigrades can survive more than a century without water in a sort of self-cryogenic suspension. They can also survive -253 degrees Celsius and up to 151 degrees Celsius. They can also withstand vacuums, 57,000 Roentgens of ionized radiation (only 500 are needed to kill a human), and about 6000 atmospheric pressure units.

3. Are tardigrades rare?

Answer: No

Most people have never seen one, but they're EVERYWHERE. In your moss & lichens in the backyard, in the pond by your house, in arid deserts, in the Antarctic..just about anywhere you can think of.

4. Do tardigrades cause disease in plants?

Answer: No

None are known to. A few species are parasites, but the great majority are herbivorous.

5. Tardigrades were first discovered in which century?

Answer: Eighteenth

Johann Goeze, a German zoologist, published the first description of them in 1773. His name for them, in German, meant little water bears. In 1776, the species was named tardigrada, 'slow steppers', by an Italian scientist, Lazzaro Spallanzani.

6. What phylum do tardigrades belong in?

Answer: Tardigrada

They aren't studied very widely as they are so small and don't have much of an impact on the environment. I've heard, however, that they are easy to find for the professionals who work with them.

7. The class Mesotardigrada has one order, Thermozoidia. Within this order is one genus, Thermozodiidae. This genus is represented by one species. Where will you usually find this one species?

Answer: In hot springs

The order and genus names should have given you a clue, as the thermo prefix relates to heat.

8. Female tardigrades are much more common than their male equivalents.

Answer: True

Some species are wholly lacking in males. These species reproduce through parthenogenesis, like aphids. Parthenogenesis is when female creatures make clones of themselves to carry on the species.

9. Like crustaceans and amphibians, tardigrades must live in or near a watery environment.

Answer: True

Some specimens have been found in their cryonic state in museum specimens of dried moss. One tardigrade reanimated itself after 120 years of being in this state, after water was added to the moss.

10. Which of these do tardigrades NOT have?

Answer: tails

A lunule is a thickening of the claws that some species have. The species has a head and four body sections, with a pair of legs on each segment.

Source: Author jadranska

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