Parazoa: Perbedaan antara revisi
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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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{{commonscat|Parazoa}} |
{{commonscat|Parazoa}} |
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{{Animalia}} |
{{Animalia}} |
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[[Kategori:Porifera]] |
[[Kategori:Porifera]] |
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[[Kategori:Hewan]] |
[[Kategori:Hewan]] |
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Revisi per 2 Januari 2016 15.21
| 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
Referensi
Pranala luar
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. |