Koopsa modabwitsa Black Sea?

Mbali yofunika pafupifupi munthu wina waukulu wa madzi ndi madzi mchere ndi modabwitsa, amene ali pakati pa zamoyo wamkulu moyo pa dziko. Monga unakhazikitsidwa asayansi, akhala mozungulira kwa oposa mamiliyoni 650. Zaka ndi ndondomeko ya kusanduka sanali bwanji kapena pa moyo wawo, kapena maonekedwe. modabwitsa thupi, ongokhala 98% ya madzi, mu mawonekedwe ngati ambulera (kapena belu). Ndi modabwitsa dongosolo amatha chifukwa contractions minofu amene madzi minofu connective, n'zosavuta kusamukira ku ndime madzi.

Medusa (m'badwo medusoid) amatchedwa gawo moyo mkombero ndi maselo lobaya nyama multicellular otchedwa Cnidaria (Cnidaria), imene matabwa ake alipo magulu atatu: hydromedusae, stsifomeduz ndi modabwitsa. Zonse mu chikhalidwe, pali zikwi zingapo mitundu ndi subspecies wa zamoyo za m'madzi, koma Black Sea modabwitsa amene timapemphera mitundu itatu ya zolengedwa.

Ndi Black Sea modabwitsa ali oopsa?

Choncho, kodi ayenera anakumana modabwitsa pa Nyanja Black, zomwe zithunzi pa maziko a kunyanja choncho amakonda kuchita mpumulo pa pokumbukira masiku ndakhala pa nthawi ina pansi ofunda kum'mwera dzuwa?

• Rhizostoma (balati. Rhizostoma pulmo). mdani uyu amadya mphutsi, nsomba yaing'ono ndiponso nkhanu, amene zimandiwumitsa njoka awo, ndiyeno bwinobwino amadya. Rhizostoma ali kapu ndi lalikulu, lomwe kungakhale kwa theka mita awiri, ndi lalikulu protuberances minofu, vanes ndi m'kamwa. Monga ulamuliro, chiwerengero chachikulu kwambiri cha modabwitsa kuchoka gombe amapezeka mu theka lachiwiri la chilimwe. Ndi tcheru kwambiri Pogoda amasintha Rhizostoma pamaso mkuntho kusuntha kuchoka ku gombe ndi kupita pansi. Anthu ena Cnidaria ndiyo modabwitsa chakupha Black Sea, zomwe zikhoza kuluma - osati oopsa, koma noticeable kwambiri. Tinakumana ndi awa zolengedwa za m'nyanja akhoza kutha maonekedwe a matuza pakhungu, monga amayaka matenthedwe.
• Aurelia (balati. Aurelia aurita), umatchedwanso Aurelia aurita. Iwo ali translucent cheza chofiirira wofiirira thupi. Aurelia mzikiti angafikire masentimita 40 m'mimba mwake, pakati pa izo pali ziwalo yotulutsa kugonana maselo (gonads) mu mawonekedwe a mphete zinayi wofiirira. Maziko chakudya tichipeza zooplankton yaing'ono. Pakuti mwamuna ndi Black Sea modabwitsa ndi otetezeka kwathunthu, chifukwa maselo awo lobaya sangalowerere khungu. pazipita kuti angathe kuyambitsa - ndi redness maso kapena m'kamwa.
• Mnemiopsis (balati. Mnemiopsis leidyi). Oimira mtundu uwu alibe tentacles kapena mbola. Ngakhale iwo kudya yaing'ono caviar nsomba, pakuti munthu modabwitsa izi Black Sea ndi chabwinobwino mwamtheradi.

pomaliza

Mosiyana ndi mitundu ina ya Cnidaria, monga acheya Cyanogen, amene akuwombera awo poizoni nyama amphamvu kuti akhoza kupha nyama zazing'ono kuwononga ndithu kwa akuluakulu (kuphatikizapo anthu), ndi Black Sea modabwitsa ndi kwathunthu mtendere, zolengedwa zabwinobwino. Mnthawi enawo ayenera kusamala kusokoneza maganizo anu. Makamaka izo nkhawa mabanja ndi ana amene kotero anakopeka nthumwi izi lachilendo la dziko m'madzi.