Nature and Animals · Topic 51 of 65
Jellyfish
⭐ MasteredJellyfish are soft, free-swimming sea animals with stinging cells in their tentacles. They drift with ocean currents and have no brain or heart.
💡 Fun fact
Some jellyfish can glow in the dark.
All about Jellyfish
Jellyfish are soft, free-swimming animals with stinging cells in their tentacles. They drift with ocean currents and have no brain or heart.
Jellyfish have been on Earth for hundreds of millions of years.
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Real-life uses of Jellyfish
- Studying simple animal body plans
- Researching bioluminescence
- Understanding ocean food webs
Frequently asked questions about Jellyfish
Do jellyfish have brains?
No. They have a simple nerve net instead.
What do jellyfish use tentacles for?
Catching prey and defence.