- Sponge - Wikipedia
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 through them
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- What is a sponge? - NOAAs National Ocean Service
Sponges are animals with dense skeletons that are highly adapted to their environments, although it is easy to see why they may be mistaken for plants Sponges are found in a wide variety of colors, shapes, and sizes – and scientists believe that the colors of the sponge may act as a protection from the sun’s harmful UV rays
- Sponge | Definition, Features, Reproduction, Facts | Britannica
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 attached to surfaces from the intertidal zone to depths of 8,500 metres (29,000 feet) or more
- SPONGE Definition Meaning - Merriam-Webster
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 How to use sponge in a sentence
- Sponge Animal Facts - Demospongiae - A-Z Animals
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 nervous system, internal organs, and mobility
- Sponge - New World Encyclopedia
Sponges represent the simplest of animals With no true tissues (parazoa), they lack muscles, nerves, and internal organs Among animals, sponges are the only group that exhibits true asymmetry, rather than a radial, bilateral, or spherical symmetry
- What Are Sponges and Why Do They Matter? - NOAA Ocean Exploration
Sponges help create habitat, filter particles from seawater, contribute to carbon, nitrogen, and silica cycling They have also been used for bathing since ancient Egypt
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