Sponges are multicellular organisms consisting of jelly-like mesohyl sandwiched between two thin layers of cells, and usually have tube-like bodies full of pores and channels that allow water to circulate …

Dec 7, 2025 · Sponge, any of the primitive multicellular aquatic animals that constitute the phylum Porifera. They number approximately 5,000 described species and inhabit all seas, where they occur …

Inside the sponge, tiny hairlike structures called flagella create currents to filter bacteria out of the sponge’s cells and trap food within them. Their strong skeletal structures help sponges withstand the …

The meaning of SPONGE is an elastic porous mass of interlacing horny fibers that forms the internal skeleton of various marine animals (phylum Porifera) and is able when wetted to absorb water.

Aug 6, 2025 · Sponges are one of the simplest, and perhaps oldest, animals on the entire planet. They are marine animals that are easily mistaken for plant life due to their lack of a nervous system, …

Dec 11, 2025 · Some species, such as the bath sponge (Spongia officinalis), develop small outgrowths (buds) that detach from the parent’s body and independently grow into adult sponges.

Sponges are multicellular organisms consisting of jelly-like mesohyl sandwiched between two thin layers of cells, and usually have tube-like bodies full of pores and channels that allow water to circulate …

6 days ago · From classic cellulose to innovative viral scrubbers, these top-tested sponges earned top marks for their cleaning power. Our top pick may surprise you.

Apr 30, 2025 · Sponges are primitive animals with no organs, living mostly in marine environments. There are three main sponge types: glass sponges, demosponges, and calcareous sponges, each …

May 9, 2022 · Sponges are very different from other animals. They are immobile, stuck to whatever surface they grow on. They have no nervous system to send messages within their bodies, no …