Featured in: Year 2: Living things and their habitats
Jellyfish
Invertebrate
Collective name: a smack · also: a bloom
A soft-bodied, free-swimming marine animal with trailing, sometimes stinging, tentacles.
💡 Fun Facts
- Jellyfish are about 95% water!
- They have no brain, bones, or eyes.
- They don't have a heart because their skin is so thin they can absorb oxygen directly from the water into their cells!
- Some species of jellyfish can glow in the dark (bioluminescence).