Flat illustration of orange tube sponges and branching coral with a small bubble on a light gray background

Can you handle the pressure of this sea sponge trivia before the clock runs out?

Difficulty

Medium

Questions

Volts

2/q

They lack organs but have ruled the seafloor for millions of years. From the glass-like structures of deep-sea dwellers to the mystery of their ancient phylum, every second counts. Can you identify the traits of these marine survivors or will you drift away in the current?

More ZapStacks in Jellyfish & Anemones

A sea nettle jellyfish with trailing tentacles beside a golden trident, a Medusa head silhouette, and a Kreisel tank with small jellies on a light gray background.