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Anotusi
O le amphibians O i latou o vertebrate manu, o le mea moni o latou muamua vertebrates na pasi mai le vai i le laueleele tele. Faʻataʻitaʻiga. palaka, rane, salamander.
I taimi ua tuanaʻi, amphibians fai ma sui o se sili taua vaega o manu, uma ona o le numera o ituaiga na i ai ma ona o lo latou tele tino lapoa. Ae ui i lea, na mulimuli ane latou mauaina le ola e meaola, o lenei vaega na faʻaititia i ni nai vaega.
Amphibians ua fuafuaina e tulaʻi mai iʻa tusa o le 360 miliona tausaga talu ai, ma o mea fetolofi na mulimuli ane tupu aʻe mai ia latou, lea na mafua ai ona maua pepe ma manufelelei o aso nei.
Faʻataʻitaʻiga o amphibians
- Palaka masani
- Lapoa lapoa
- Salamander
- Triton
- Rane oona
- Rane Niu Sila
- Rane Seychelles
- Rane laau
- Lane lanumoana lane
- Axolotl poʻo le ajolote (Mekisiko salamander)
- Cecilia
- Pygmy flatfoot salamander
- Sese newt jalapa
Amphibian uiga
Amphibians maua le paʻu le paʻu, manava i fualaʻau ma e leai ni o latou vae a o latou talavou; a oʻo latou tagata matutua latou te manava i totonu o māmā ma maua ai le fa vae ma interdigital membrane.
I se faʻaopopoga, latou te feagai metamorphosis, o lona uiga, latou te o atu i laʻasaga eseese o le olaga, tele lava tolu:
- O lena o fuamoa
- O le larval (o manava manava)
- O le matua (o le manava manava).
O le mea moni, naʻo latou i latou o vertebrates e faia metamorphosis.
Nisi foliga:
- Tagata matutua amphibians mafai ona nonofo i le vai poʻo luga o le laueleele (semi-terrestrial life), larvae mafai ona ola i le vai.
- Amphibians manava i totonu o le paʻu (faʻaola manava manava), e tausia le paʻu susu ma puipuia desiccation, latou maua glands e ala ia latou pupunia mucus.
- O manu ia o fafo ma fafo totonu faʻalauteleina ma oviparous.
- E leai ni o latou lauulu poʻo una.
- Latou te fafagaina iniseti, anufe, slug ma apogaleveleve; e iai foʻi fualaʻau poʻo tamaʻi meaola e faasusu, faʻapea foʻi ma iʻa ma maʻa.
- A o le vevela i fafo e maualalo tele, latou foliga mai e tumau toaga, ma masani ona ola faʻafetai i le faʻasao o gaʻo latou faʻaputuputu i o latou tino.
- O manu ia e tataʻa a latou meaʻai e aunoa ma le gagauina muamua.
- E i ai a latou totoga uiga ese, o le cloaca, e avea ma mea e tasi o fafo atu o le ala ma urinary ma reproductive function.
Faavasegaina
E tolu oka poʻo vasega o amphibians:
- Gymnophiona poʻo apodes (aunoa ma lala)
- Caudata poʻo caudates (ma le siʻu)
- Anura poʻo anurans (rane ma toads).
E fuafua e iai 4,300 ituaiga o amphibians o loʻo soifua nei, a o le mea e faʻapea o se vaega olaola o lona faitau aofaʻi na paʻu'ū ifo lava mo sina taimi i lenei itu, mafuaʻaga ona o le suia o latou nofoaga masani ma suiga o le tau.