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Sponge - Revision history
2026-05-10T19:17:11Z
Revision history for this page on the wiki
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Prab: CSV import
2025-02-20T01:18:59Z
<p>CSV import</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 01:18, 20 February 2025</td>
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Prab
https://wikimd.org/index.php?title=Sponge&diff=5291911&oldid=prev
Prab: CSV import
2024-02-25T15:42:46Z
<p>CSV import</p>
<p><b>New page</b></p><div>'''Sponge'''<br />
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A '''[[Sponge]]''' is a simple multicellular [[organism]] that belongs to the phylum [[Porifera]]. They are primarily marine animals, although some species are found in freshwater environments. Sponges are known for their porous bodies and the ability to filter feed by drawing water in through their pores.<br />
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== Anatomy ==<br />
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Sponges have a simple body structure, lacking true tissues and organs. They are composed of three layers: the outer [[epidermis]], the middle [[mesohyl]], and the inner [[choanocyte]] layer. The body is perforated by a series of pores, canals, and chambers that allow water to flow through and nutrients to be extracted.<br />
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== Reproduction ==<br />
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Sponges reproduce both sexually and asexually. In sexual reproduction, sponges produce eggs and sperm, and in many species, the sperm is released into the water and captured by other sponges, leading to fertilization. Asexual reproduction occurs through budding, fragmentation, or the production of gemmules.<br />
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== Ecology ==<br />
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Sponges play a significant role in marine ecosystems. They serve as habitat for a variety of organisms and contribute to the recycling of nutrients in the water column. Some species of sponges are also known to form symbiotic relationships with other organisms, including bacteria, algae, and various invertebrates.<br />
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== Human use ==<br />
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Humans have used sponges for various purposes throughout history. The soft, absorbent bodies of certain sponge species have been used for cleaning and bathing, while other species have been used in the production of natural remedies.<br />
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== See also ==<br />
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* [[Sponge (material)]]<br />
* [[Sponge (tool)]]<br />
* [[Sponge (disambiguation)]]<br />
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== References ==<br />
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<references /><br />
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== External links ==<br />
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* [https://www.britannica.com/animal/sponge Britannica: Sponge]<br />
* [https://www.nationalgeographic.com/animals/invertebrates/group/sponges/ National Geographic: Sponges]<br />
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[[Category:Porifera]]<br />
[[Category:Marine fauna]]<br />
[[Category:Invertebrates]]<br />
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{{stub}}</div>
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