Mary Allen
Hove iboka rekare uye rakawanda-rakapfuma remhuka dzemhuka. Mienzaniso yekutanga yakagara mumakungwa edu makore 450 mamiriyoni apfuura. Nhasi, marudzi anopfuura 20,000 XNUMX akasiyana anogara muhova dzedu, nzizi, uye makungwa
Ihove ngani munyika?
Hove ndidzo mhuka dzekare kudarika dzose panyika. Vokutanga vavo vakashambira mumakungwa makore mamiriyoni 450 apfuura. Kune akapoteredza 32,500 marudzi ehove pasi rose. Masayendisiti anosiyanisa pakati pehove dzecartilaginous uye bony.
Hove dzokutanga munyika dzinonzi chii?
Ichthyostega (chiGiriki ichthys “hove” uye dariro “denga”, “dehenya”) rakanga riri rimwe rematetrapods ekutanga (terrestrial vertebrates) aigona kugara kwenguva pfupi panyika. Yakanga yakareba 1.5 m.
Hove inogona kuputika here?
Asi ini ndinogona kungopindura mubvunzo wekutanga pane musoro ne YES kubva pane zvangu zvakaitika. Hove dzinogona kuputika.
Hove imhuka here?
Hove imhuka dzinogara mumvura chete. Vanofema nemagill uye kazhinji vane ganda remakwasha. Vanowanikwa pasi rose, munzizi, nyanza nemugungwa. Hove imhuka dzine vertebrate nokuti dzine musana, semhuka dzinoyamwisa, shiri, zvinokambaira, uye mhuka dzinorarama mumvura.
Ihove ngani dziriko muEurope?
Iri rondedzero yehove dzeEurope yemvura yakachena uye marambi ane marudzi anopfuura mazana mashanu ehove uye marambi (Petromyzontiformes) kubva mukati memvura yeEurope.
Ndeipi hove inodhura kwazvo kudya?
Imwe nzvimbo yekudyira yekuJapan yesushi yakatenga 222-kilogram yebluefin tuna paokisheni paTsukiji Fish Market (Tokyo) nemari inosvika miriyoni imwe nehafu yemaeuro.
Ndedzipi hove dzakanakisa?
Hutano omega-3 fatty acids, mapuroteni akawanda, ayodhini, mavhitaminzi, uye kuravira kwakanaka: hove inoonekwa seyemhando yepamusoro uye ine hutano. Zvinoenderana nedata kubva kuFish Information Center, vanhu vekuGermany vanofarira salmon, ichiteverwa netuna, Alaska pollock, herring, uye shrimp.
Hove ine nzeve here?
Hove dzine nzeve kwese kwese
Haudzione, asi hove dzine nzeve: machubhu madiki akazadzwa nemvura kuseri kwemaziso avo anoshanda senzeve dzemukati dzemhuka dzine vertebrates. Mafungu eruzha anoita kuti matombo madiki anoyangarara akagadzirwa neraimu adengenyeke.
Ihove dzipi dzine utano chaihwo?
Hove dzine mafuta akawanda senge salmon, herring, kana mackerel dzinoonekwa sedziine hutano. Nyama yemhuka idzi ine mavhitaminzi A uye D akawanda uye akakosha omega-3 fatty acids. Izvi zvinogona kudzivirira chirwere chemoyo uye arteriosclerosis uye kuve nechokwadi chepamusoro lipid yeropa.
Hove dzinogona kuita orgasm here?
Makore mashoma apfuura, vaongorori veSweden vaive vatoona kuti trout inogona kunyepera "orgasm". Nyanzvi dzezvipenyu Erik Petersson naTorbjörn Järvi vanobva kuSweden Fisheries Commission vanofungidzira kuti trout yechikadzi yebrown inoshandisa izvi kudzivirira kusvirana nevadiwa vasingadi.
Hove dzine nhengo dzebonde here?
Kusiyana kwepabonde muhove
Kunze kwezvishoma, hove ndedzemhando dzakasiyana. Izvi zvinoreva kuti kune varume nevakadzi. Kusiyana nemhuka dzinoyamwisa, kubereka kunowanzoitika kunze kwemuviri. Naizvozvo, hapana yakakosha nhengo dzepabonde dzekunze dzinodikanwa.
Hove inogona kurara here?
Pisces, zvisinei, haina kupera zvachose muhope dzavo. Kunyange zvazvo vachinyatsoderedza pfungwa dzavo, havambofi vakawira muchikamu chehope huru. Dzimwe hove dzinotovata nedivi kuti dzirare, sezvatinoita.
Hove dzinoenda sei kuchimbuzi?
Kuti vachengetedze nharaunda yavo yemukati, hove dzemvura yakachena dzinotora Na+ uye Cl- kuburikidza nemasero echloride pamagill avo. Hove dzemvura yakachena dzinotora mvura yakawanda kuburikidza neosmosis. Somugumisiro, vanonwa zvishoma uye vanoita weti nguva dzose.
Hove inganwa here?
Sezvipenyu zvose zviri panyika, hove dzinoda mvura kuti miviri yadzo uye metabolism ishande. Kunyange zvazvo vachigara mumvura, chiyero chemvura hachingogadziriswi. kunwa hove mumakungwa. Mvura yegungwa ine munyu kupfuura mvura yomumuviri wehove.
Hove dzine uropi here?
Hove, sevanhu, inhengo dzeboka remhuka dzine vertebrates. Vane chimiro chehuropi chakafanana, asi vane mukana wekuti tsinga yavo idiki uye inogona kugadzirwa.
Hove ine manzwiro here?
Kwenguva yakareba, zvakatendwa kuti hove hadzityi. Vanoshaya chikamu chehuropi apo dzimwe mhuka uye isu vanhu tinogadzirisa manzwiro iwayo, masayendisiti akadaro. Asi zvidzidzo zvitsva zvakaratidza kuti hove dzinonzwa marwadzo uye dzinogona kuzvidya mwoyo uye kunetseka.
Hove dzokutanga dzakaonekwa rini?
Hove iboka rekare uye rakawanda-rakapfuma remhuka dzemhuka. Mienzaniso yekutanga yakagara mumakungwa edu makore 450 mamiriyoni apfuura. Nhasi, marudzi anopfuura 20,000 XNUMX akasiyana anogara muhova dzedu, nzizi, uye makungwa.
Ndeipi hove ine njodzi kwazvo pasi rese?
Stonefish ndiyo imwe yehove dzine ngozi zvikuru pasi rose. Pamusana payo, ine mizongoza gumi nenhatu, imwe neimwe yakabatana nematumbu anoburitsa muchetura une simba unorwisa tsandanyama netsinga.