Parazoa: Perbedaan antara revisi
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{{Taxobox |
{{Taxobox |
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| name = Parazoa |
| name = Parazoa |
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| fossil_range = [[Ediacaran]] - Recent |
| fossil_range = [[Ediakara|Ediacaran]] - Recent |
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| image = Sponge.JPG |
| image = Sponge.JPG |
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| image_width = 240px |
| image_width = 240px |
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| image_caption = A sponge |
| image_caption = A sponge |
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| domain = [[ |
| domain = [[Eukariota|Eukaryota]] |
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| regnum = [[ |
| regnum = [[Hewan|Animalia]] |
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| subregnum = '''Parazoa''' |
| subregnum = '''Parazoa''' |
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| subregnum_authority = [[Robert Edmond Grant|Grant]] & [[Robert Bentley Todd|Todd]], 1838. |
| subregnum_authority = [[Robert Edmond Grant|Grant]] & [[Robert Bentley Todd|Todd]], 1838. |
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| subdivision_ranks = [[ |
| subdivision_ranks = [[Filum|Phyla]] |
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| subdivision = |
| subdivision = |
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* [[Porifera]] |
* [[Porifera]] |
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}} |
}} |
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'''Parazoa''' adalah hewan yang belum terdeferensasi membentuk jaringan sejati |
'''Parazoa''' adalah [[hewan]] yang belum terdeferensasi membentuk jaringan sejati. |
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==Description== |
==Description== |
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Parazoans differ from their [[choanoflagellate]] ancestors in that they are not microscopic and have [[cellular differentiation|differentiated cell]]s. However, they are an outgroup of the animal phylogenetic tree being that they do not have [[biological tissue|tissues]] or organs. The only surviving parazoans are the [[sea sponge|sponges]], which belong to the phylum [[Porifera]], and the [[Trichoplax]] in the phylum [[Placozoa]]. |
Parazoans differ from their [[choanoflagellate]] ancestors in that they are not microscopic and have [[cellular differentiation|differentiated cell]]s. However, they are an outgroup of the animal phylogenetic tree being that they do not have [[biological tissue|tissues]] or organs. The only surviving parazoans are the [[sea sponge|sponges]], which belong to the phylum [[Porifera]], and the [[Trichoplax]] in the phylum [[Placozoa]]. |
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Parazoa display no body symmetry (are asymmetrical); all other animal groups display some sort of symmetry. There are currently 5000 species, 150 of which are freshwater. Larvae are [[plankton|planktonic]] and adults are [[Sessility_(zoology)|sessile]]. |
Parazoa display no body symmetry (are asymmetrical); all other animal groups display some sort of symmetry. There are currently 5000 species, 150 of which are freshwater. Larvae are [[plankton|planktonic]] and adults are [[Sessility_(zoology)|sessile]]. |
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Some authors include [[Placozoa]],<ref name="urlReviews glossary">{{cite web |url=http://www.nature.com/nrg/journal/v4/n1/glossary/nrg977_glossary.html |title=Reviews glossary |format= |work= |accessdate=2009-03-20}}</ref> a phylum that consists of only one species, ''[[Trichoplax adhaerens]]'', in the division, but they are also sometimes placed in the subkingdom [[Agnotozoa]]. |
Some authors include [[Placozoa]],<ref name="urlReviews glossary">{{cite web |url=http://www.nature.com/nrg/journal/v4/n1/glossary/nrg977_glossary.html |title=Reviews glossary |format= |work= |accessdate=2009-03-20}}</ref> a phylum that consists of only one species, ''[[Trichoplax adhaerens]]'', in the division, but they are also sometimes placed in the subkingdom [[Agnotozoa]]. |
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== Pranala luar == |
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{{reflist}} |
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==Pranala luar== |
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* http://www.jochemnet.de/fiu/BSC1011/BSC1011_12/sld001.htm |
* http://www.jochemnet.de/fiu/BSC1011/BSC1011_12/sld001.htm |
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{{commonscat|Parazoa}} |
{{commonscat|Parazoa}} |
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{{Animalia}} |
{{Animalia}} |
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{{Taxonbar|from=Q205716}} |
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[[Kategori:Hewan]] |
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Revisi terkini sejak 15 September 2023 04.01
| Parazoa Rentang waktu: Ediacaran - Recent
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| A sponge | |
| Klasifikasi ilmiah | |
| Domain: | |
| Kerajaan: | |
| Subkerajaan: | Parazoa |
| Phyla | |
Parazoa adalah hewan yang belum terdeferensasi membentuk jaringan sejati.
Pranala luar
[sunting | sunting sumber]
Wikispecies mempunyai informasi mengenai Parazoa.
Wikimedia Commons memiliki media mengenai Parazoa.
.png){kind=small} | Artikel bertopik hewan ini adalah sebuah rintisan. Anda dapat membantu Wikipedia dengan mengembangkannya. |