Gonactinia
| Gonactinia | |
|---|---|
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| Scientific classification | |
| Kingdom | Animalia |
| Phylum | Cnidaria (mul)  |
| Class | Hexacorallia (mul) |
| Order | Actiniaria (mul) |
| Dangi | Gonactiniidae (mul)
|
genus (en)  | Gonactinia ,
|
Gonactinia wani nau'in halitta ne daga gungun dabbobin anemones na teku, kuma G. prolifera shine kawai nau'in jinsin a cikin jinsin. Wani lokaci ana kiranta anemone na sama.[1] kuma ana samunsa a kowane gefe na arewacin Tekun Atlantika.
Rabe-rabe da muhalli
[gyara sashe | gyara masomin]Gonactinia prolifera an san shi daga kowane bangare na arewacin Tekun Atlantika ciki har da Maine da arewa maso yammacin Turai, daga Tekun Bahar Rum, da Kudancin Tekun Pacific, gami da bakin tekun New Zealand da Chile. Wurin zama na halitta yana kan duwatsu, amma kuma ana samunsa akan bawoyin mollusc da manyan fronds na algae, tun daga bakin gaba har zuwa zurfin kimanin mita 100 (330 ft).[2]
Ilimin Halitta
[gyara sashe | gyara masomin]Kamar sauran anemones na teku, G. prolifera mafarauci ne, yana kama plankton tare da tanti. Lokacin da aka ci karo da abin ganima, ɗimbin juzu'i na ayyukan reflex yana faruwa ta hanyar abin da barbashi abinci ke wuce ta tanti zuwa baki sannan ya haɗiye. Locomotion ta hanyar "tafiya" ko iyo.[3] Anemone na tafiya ta hanyar yin jerin gajeru, matakai na madauki, da farko ya shimfiɗa ginshiƙinsa daidai da abin da ake amfani da shi, sannan ya haɗa tanti guda ɗaya zuwa ga ma'auni ta hanyar cnidocytes, yana cire tushe na fedal, yana sake haɗa shi kusa da guda ɗaya, yanzu an yi kwangila. tentacle, sakin wannan tanti ya mike. Kowane mataki yana ɗaukar rabin minti ɗaya ko fiye kuma yana ci gaba da anemone 'yan millimeters. Ana yin iyo ta hanyar saurin motsi na tentacles suna bugun aiki tare; Ana amfani da tanti kamar oars kuma wasan ninkaya na iya ƙunshi bugun goma zuwa talatin. Yin iyo yana faruwa ne bayan anemone ya motsa sosai ta wata hanya ko kuma wani nudibranch ya kai masa hari.[3]
Wannan anemone na teku yana iya rarraba akai-akai ta hanyar tsatsauran ra'ayi, wani sabon hali wanda kuma yana faruwa a cikin Anthopleura stellula. Rudimentary band na tentacles fara girma a kan ginshiƙi, bayan haka manyan da ƙananan yankuna sun ja da kansu. Bangaren babba yana girma sabon faifan feda sannan ƙaramin ɓangaren kuma sabon diski na baka mai tanti. Wani lokaci alamomin farko na fission masu zuwa suna bayyana kafin wanda ya gabata ya ƙare kuma saman ya warke.[4]
Manazarta
[gyara sashe | gyara masomin]- ↑ Gonactinia prolifera (Sars, 1835)". SeaLifeBase. Retrieved 27 June 2017.
- ↑ Gonactinia prolifera (Sars, 1835)". SeaLifeBase. Retrieved 27 June 2017.
- ↑ 3.0 3.1 Robson, Elaine A. (1971). "The Behaviour and Neuromuscular System of Gonactinia prolifera, A Swimming Sea-Anemone". Journal of Experimental Biology. 55 (3): 611–640. doi:10.1242/jeb.55.3.611
- ↑ Goffredo, Stefano; Dubinsky, Zvy (2016). The Cnidaria, Past, Present and Future: The world of Medusa and her sisters. Springer International Publishing. p. 240. ISBN 978-3-319-31305-4.