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Ta yaya kuma abin da ya ci tarwada: fasali, kwatancin da kuma ban sha'awa facts

Echinoderms dabbobi, da suka hada da tarwada, - wakilan wani sosai musamman kungiyar. Ba su kalle kowa. Wadannan teku halittun sa da yawa tambayoyi, daga cikinsu na musamman sha'awa suna da wadannan: "The tarwada ciyarwa a kan?", "Don wanda shi wakiltar wani mutum barazana?".

Stars a kan seabed

Wadannan m ado na seabed zama a wannan duniyar tamu na dogon lokaci. Sun bayyana game da 450 da miliyan shekaru da suka wuce. Ware har zuwa 1600-daban na taurari. Wadannan dabbobi zauna kusan duk tekuna da kuma tekuna na duniya, da ruwa daga abin da yake m isa. Stars ba sha desalinated ruwa, suka ba su samu a Tekun Azov da Caspian Sea.

Rays a dabbobi na iya zama daga 4 zuwa 50, masu girma dabam Range daga 'yan santimita zuwa mita. Term rayuwa ne game da shekaru 20.

A marine mazaunan ba su da wani kwakwalwa, amma kowane ray na can idanu. A jikin kwari ko crustaceans kama da rarrabe haske da launi. Mutane da yawa idanu taimaka dabbobi don farautar nasara.

Numfashi taurari kusan ta hanyar fata, don haka yana da muhimmanci isashshen sunadarin oxygen da a cikin ruwa. Ko da yake wasu jinsunan iya zauna cikin zurfin teku mai kyau.

tsarin fasali

Sha'awa, kamar yadda irin kamar cin tarwada. Biology nufin su zuwa aji na invertebrate echinoderm. Tarwada ba su da jini da kanta. Maimakon haka, zuciya na star ne pumped ta hanyar tasoshi da tukwane na teku ruwa, arziki a wasu micronutrients. Famfo ruwa ba kawai cika da sel da dabba, amma kuma ta wajen ruwa allura a daya ko wani wuri da ke sa wa star tafi.

Tarwada da radiation zane na tsarin da kwarangwal - tsakiyar ɓangare na sharar-haskoki. Kwarangwal na teku beauties sabon abu. Yana da aka hada da calcite kuma tasowa cikin kananan taurari daga kusan da dama calcareous Kwayoyin. Abin da kuma yadda za a ci tarwada, sun fi mayar dogara a kan siffofin da tsarin.

Wadannan echinoderms da a kan su tentacles musamman pedicellariae a cikin nau'i na tongs a kowane tip na protuberance. Tare da su taimako, da star farauta da kuma tsaftace su fata daga gidan ya toshe tsakanin needles zuriyar dabbobi.

wayo mafarauci

Mutane da yawa mamaki yadda za a ci tarwada. A takaice game da tsarin da narkewa kamar tsarin za a iya samu a kasa. Wadannan ban mamaki beauties ba da alama na cikakken tsaro. A gaskiya ma, su ne marine da yara, da voracious kuma insatiable. Su ne kawai drawback - jinkirin gudun. Saboda haka fi son har yanzu yi wa - kilam bawo. Tare da yardar tarwada feed a tsefe, shi ne ba ƙi ci teku urchin, teku kokwamba, kuma ko da gangan swam ma kusa da kifi.

Gaskiyar cewa tarwada ne kusan biyu ciki, daya daga wanda zai iya juya daga cikin. M hadaya riƙo pedicellariae yana daukar kwayar cutar zuwa baka rami a tsakiyar haskoki, sa'an nan shi, kamar net, jefa ciki. Bayan haka, wani mafarauci iya bari tafi na ganima da nike da shi sannu a hankali. Wasu lokaci ko kifi ja da wani ya Executioner, amma wanda aka azabtar ba su tsira ba. Duk abin da ciyarwa a kan tarwada, sauƙi narkewar a ciki.

Da ɗan daban zo ta shanku: sannu a hankali zuwa ga wani m tasa, karkatarwa a kusa da harsashi da ta haskoki, ajiye bakin a gaban tsaguwa harsashi da kuma fara tura sash.

Ya kamata bayyana a kalla a kananan tsaguwa a shi a lokaci daya tura da m ciki. Yanzu marine sukar lamiri zare jiki digesting kwatami rundunar, yin mollusk a cikin jelly-kamar abu. Irin wannan rabo jiran wata hadaya ci abinci, ko da ko powered tarwada scallop ko kananan kifi.

Features na tsarin da narkewa kamar tsarin

A predator, babu na'urorin ga fahimtar ganima. Bakinka kewaye da wani annular lebe da alaka da ciki. Wannan jiki daukan up dukan ciki na Disc kuma shi ne sosai m. Isar da rata 0.1 mm to shiga cikin kwasfa bawuloli. A aboral gefe na cibiyar yana buɗewa kunkuntar short hanji, yanã gudãna daga ciki. Abin da ya ci tarwada, mun dogara ne kan sun fi mayar da m tsarin da narkewa kamar tsarin.

Soyayya taurari a kan teku bene

Mai tarwada - namiji. A lokacin lovemaking mutane tare don haka m cewa tasha farauta da aka tilasta su da sauri. Amma shi ne ba m, saboda a daya daga cikin ciki na wadannan sãka wamãkirci a gaba ayan fasa gina jiki ga tsawon lokaci da ma'abota.

Sex gland ne taurari a kusa da sansanin bim. Lokacin da dabbar ta hanyar canjin namiji da mace mutane connect bim, kamar yadda idan tattara abubuwa masu kyau cikin mai laushi rungumi. Mafi sau da yawa, caviar da ɗa namiji Kwayoyin fada a cikin tẽku ruwa, inda hadi faruwa.

A hali na karancin wasu mutane, da star iya canja kasa don kula da yawan jama'a a wannan yanki.

Caviar daga cikin mazaunan teku sau da yawa da aka bai wa kanta har Hatching. Amma wasu taurari ne kula iyaye: suka sa a kan bayayyakinsu qwai, sa'an nan da tsutsa. A wasu jinsunan teku taurari wannan lokacin dabbar ta hanyar canjin a kan mayar da akwai na musamman bags for qwai, wanke da kyau da ruwa. Akwai shi zai iya zama a wani iyaye su bayyanar da larvae.

Farfagandar da division

Quite m ikon tarwada - waddan division hanya. A ikon girma kanta wani sabon hannunka-ray wanzu a kusan dukan dabbobi da wannan nau'in. Star, riƙo mai predator na katako iya lilo da shi kamar lizard ta wutsiya. Kuma bayan wani lokaci zuwa girma da wani sabon daya.

Haka kuma, idan muka ci gaba da tare da layin da wani kananan barbashi na tsakiyar ɓangare na shi bayan wani lokaci don yayi girma cikakken tarwada. Saboda haka, ya hallaka wadannan yara, a yanka a cikin sassan, ba shi yiwuwa.

Ne mãsu tsõro daga tarwada

Maqiyan na wakilan wannan aji a bit. Ba wanda yake so rikici da m spines na teku nebozhitelnits. Animals ne iya duƙufa mafi odorants m musamman voracious da yara. A hali na hatsari, da star iya tono a cikin laka ko yashi, zama kusan ganuwa.

Daga cikin wadanda suka ci tarwada a cikin yanayi, mamaye manyan teku tsuntsaye. A gaba na dumi tekuna, suka fada ganima ga gulls. A cikin Pacific, da star ne ba ƙi ci funny teku otters.

Predator cũta karkashin ruwa plantations oysters da scallops - to abin da ya ci tarwada. Ƙoƙarin kashe dabbobi, chopping su gunduwa gunduwa, sun kai ga wata karuwa a yawan. Sa'an nan ya fara yaki tare da su, ya kawo taurari a kan rairayin bakin teku da kuma waldi a ruwan zãfi. Amma yin amfani da wadannan ragowar bayyana babu inda. Akwai sun kasance yunkurin sanya daga dabbobi taki, lokaci guda m kwari. Amma da fadi da rarraba da kuma Hanyar ba samu.

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