Which of the following organs is completely missing in a tardigrade?
Chapter 1

Meet the moss piglets

Chapter 2

The art of playing dead

Chapter 3

Shielded from the extreme

Chapter 4

Cosmic travelers and beyond

YOUR GOAL

Master of The secret life of moss piglets

Ch 1 · Meet the moss piglets
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alicecooks Moss Piglets

I'll dry up to a tiny ball and float through outer space, Then wake right up to walk around and find a mossy place!

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To let go of our heaviest burdens, we must outgrow our current selves.

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A mouth built for tiny juice

alicecooks A specialized mouth cone containing retractable stylets punctures moss, algae, or prey before a muscular pharynx sucks out

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Eight legs and a chubby body

alicecooks A chubby, hand-drawn tardigrade crawls forward on its tiny, segmented limbs.

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Fun Fact

Tardigrade size: A fully grown tardigrade is so small that a single period at the end of this sentence could easily fit three of them.

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Glossary
tardigrade (noun)
A microscopic, eight-legged animal noted for its exceptional resilience in extreme and hostile environments. German naturalist Johann August Ephraim Goeze first discovered these tiny, slow-moving organisms in 1773.

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Gossip

If you had eight legs, what would you do?

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Quiz

What are the sharp, needle-like mouthparts of a tardigrade called?

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Gossip

What is the best nickname for a tardigrade?

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Quiz

Which of the following organs is completely missing in a tardigrade?

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Quiz

How do some species of tardigrades solve the problem of their massive poop size?

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Quiz

How many legs does a standard tardigrade have?

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Quiz

What does the scientific name 'Tardigrada' mean in Latin?

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Quiz

What is the typical length range of an adult tardigrade?

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Quiz

According to a 2017 study, how large can a tardigrade's poop be relative to its body length?

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Quiz

Who first discovered and described the tardigrade in 1773?

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