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- Sponge - Wikipedia
Sponges constitute the phylum Porifera, and have been defined as sessile metazoans (multicelled immobile animals) that have water intake and outlet openings connected by chambers lined with choanocytes, cells with whip-like flagella
- 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
- Characteristics of Phylum Porifera - BYJUS
Poriferans are pore-bearing first multicellular animals The pores are known as Ostia The poriferans have a spongy appearance and are therefore called sponges They are attached to the substratum and do not move They have the ability to absorb and withhold fluids
- Phylum Porifera- Characteristics, classification, examples - Microbe Notes
Phylum Porifera Characteristics Porifera are all aquatic, mostly marine except one family Spongillidae which lives in freshwater They are sessile and sedentary and grow like plants The body shape is vase or cylinder-like, asymmetrical, or radially symmetrical
- Introduction to Porifera - University of California Museum of Paleontology
The approximately 5,000 living sponge species are classified in the phylum Porifera, which is composed of three distinct groups, the Hexactinellida (glass sponges), the Demospongia, and the Calcarea (calcareous sponges)
- Phylum Porifera | manoa. hawaii. edu ExploringOurFluidEarth
Introduction to Phylum Porifera The phylum Porifera comprises the sponges Sponges are simple invertebrate animals that live in aquatic habitats Although the majority of sponges are marine, some species live in freshwater lakes and streams They are found in shallow ocean environments to depths as great as five kilometers (km)
- Sea Sponges or Porifera - Definition, Types, Reproduction, and Examples . . .
Sea sponges, scientifically known as Porifera, are among the oldest and simplest multicellular animals on Earth These remarkable filter feeders have thrived in marine environments for over 500 million years, surviving multiple mass extinctions through their adaptable nature
- Porifera : Characteristics and Classification - Biology Educare
The term ‘Porifera’ is derived from two Latin words ‘Porus’ meaning pores and ‘Ferre’ meaning bear They are predominantly marine organisms which inhabit in the intertidal to the deepest ocean zone There are about 8500 described living species under the phylum Porifera worldwide
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