Astonishingly, the ocean teems with brainless creatures that thrive using instinct and nerve networks. Jellyfish, sea sponges, starfish, sea cucumbers, and coral demonstrate survival without a ...

Sea Sponge. Photo by Meruyert Gonullu, via Pexels. Sponges represent one of the most primitive forms of multicellular life on Earth, existing without hearts, brains, organs, or even true tissues.

They don’t have many predators though there are a few starfish species that eat them. It’s a Sponge: Discover the Oldest Fossilized Animal Ever Found. Sponges in general are a well-known ancient of ...

Sponges don't have muscle fibres, but instead use biochemical pumps to squeeze or expand their skin. All sea sponges, Leys says, do this. But Belinda, it turns out, sneezes all day, every day, all ...

What a sneezing sea sponge named Belinda can tell us about B.C.’s oceans By Kylie Stanton & Amy Judd Global News Posted January 7, 2025 9:53 pm ...

A sea sponge observed off the coast of Vancouver Island for more than four years was found to both hibernate and “sneeze” in behaviours thought to expel waste and adapt to a changing ocean ...

Sea stars, commonly called starfish, are beautiful marine creatures with no need for a heart. Instead, they use a water vascular system to move nutrients and oxygen throughout their bodies.

SpongeBob SquarePants and his starfish best friend, Patrick Star, aren’t such cartoonish creatures after all. According to an image taken by a marine biologist doing remote deep-sea exploration ...