Did all animal life on Earth begin with a sea sponge?

Genetic analysis of 640-million-year-old rocks suggests that the sea sponge may have been the first animal to develop on Earth.

History of Life on Earth Smithsonian National Museum of Natural History

Model Organisms: The Sea Sponge

Failure Rates Of Repaired Bucket-Handle Tears Of The Medial

Get to know your relative, the sea sponge

Surprising Benefits of Using Natural Sea Sponges

Sponge - Wikipedia

890-million-year-old sponges may be oldest animal fossils

Bad break-up in warm waters: why marine sponges suffer with rising temperatures

Coral Reef With Great Yellow Sea Sponge Underwater Stock Image