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Explain the term 'transdifferentiation' in the context of the Immortal Jellyfish.
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Transdifferentiation is the process through which *Turitopsis dohrnii* reverts to a polyp, essentially resetting its life cycle.
How does the 'Immortal Jellyfish' species *Turitopsis dohrnii* reverse its aging process?
It undergoes transdifferentiation, reverting to a polyp when stressed to restart its life cycle.
What anatomical structures are jellyfish lacking compared to many other marine organisms?
Jellyfish lack hearts, blood, brains, and bones.
Describe the process of asexual reproduction in jellyfish.
Jellyfish can reproduce asexually through cloning or splitting.
What are the primary environments where jellyfish can be found?
Jellyfish inhabit both deep oceans and shallow coastal areas globally.
What is the significance of jellyfish being in the mesoglia?
Mesoglia is the jelly-like substance that makes up most of their body.
What ecological problems can jellyfish blooms cause?
They can clog fishing equipment, damage ships, and lead to beach closures.
What is the main reason for the formation of jellyfish blooms?
Jellyfish blooms often form quickly for mating purposes.
What are the collective terms used for groups of jellyfish?
Jellyfish groups are referred to as blooms, swarms, or smacks.
Approximately how many jellyfish sting incidents are reported annually?
Around 150 million jellyfish stings are reported annually.
How does the water content of jellyfish compare to humans?
Jellyfish are approximately 95% water, whereas humans are about 60% water.
What makes the Box jellyfish dangerous to humans?
The Box jellyfish can cause paralysis, cardiac arrest, or death within minutes due to its venomous sting.
Why can jellyfish evaporate rapidly when washed ashore?
Due to their high water content (about 95%), they can evaporate quickly.
How are jellyfish classified biologically if they aren't actual fish?
Jellyfish are invertebrates belonging to two different biological phyla.
In terms of research, how many undiscovered jellyfish species do scientists estimate might exist?
It is estimated that there may be as many as 300,000 undiscovered jellyfish species.
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