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- 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
- 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 - Types, Size, Anatomy, Habitat, Diet, Lifespan, Life Cycle
Some sponge species, particularly those belonging to the family Cladorhizidae (and a few from Guitarridae and Esperiopsidae), are carnivorous They feed on small crustaceans, such as amphipods and copepods, as well as other tiny aquatic invertebrates
- What is a sponge? - NOAAs National Ocean Service
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 high volume of water that flows through them each day
- 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
- Sponge Animal Facts - Porifera - A-Z Animals
This species is the classic "natural bath sponge" and is one of the most commonly referenced organisms when people say "sponge," even though "sponges" collectively refer to the entire phylum Porifera
- Sponges and Cnidarians – Introductory Biology
Sponges live in intimate contact with water, which plays a role in their feeding, gas exchange, and excretion Much of the body structure of the sponge is dedicated to moving water through the body so it can filter out food, absorb dissolved oxygen, and eliminate wastes
- 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
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