Ko dolphins inorara sei? Ichokwadi nenhema pamusoro pekurota kwama dolphin

Kurara ndeyezvisikwa uye zvinomanikidzwa zvinodiwa zvemhuka dzose dziri panyika. Zvisinei, chokwadi pamusoro pekurota kwema dolphins kwenguva yakareba chakanga chisingazivikanwi kuvatsvakurudzi. Iko ma dolphin anovata neziso rimwe rakazaruka here? Yakambofungidzirwa kuti mhuka idzi dzinosara "dzinobvuta" pakati pemhepo yekufema yemhepo kana kunyange kutorerwa kurara zvachose. Zvose izvi izvi zvinenge zvisiri izvo. Nhasi, masayendisiti ave atoziva mhinduro yechokwadi kumubvunzo wekuti madhaphin anorara sei.

Mashoko anofadza nezvema dolphin

Dolphins - mhuka dzakasununguka-dzine ropa remamamalia kubva kumusasa weketaceans - dzakakwanisa kuwana mukurumbira wezvimwe zvisikwa zvisingazivikanwi pasi pano. Chimiro chekudaidzwa kwema dolphins - "Gungwa revanhu" - rinotsanangura chokwadi chokuti mano avo eunyanzvi makuru kwazvo zvokuti vanoonekwa sevanonzwisisa uye vane masimba kune mamwe mhuka dzose dziri panyika.

Dolphins vanogara muzvikoro. Pakati pezvinhu izvi rubatsiro runobatsira runosimbiswa, dzimwe nguva kusvika pakuzvipira. Dolphins anokwanisa kutaura, achibudisa maita gumi akasiyana-siyana emisasa yakasiyana pane dzose dzakasununguka uye dzinowanzobuda. Mukuwedzera, vane ruzivo rwekunze runoshanda pamutemo we echolocation uye inokubvumira kuti usarudze chete mararamiro kune chinhu kana chimwe chinhu, asi kunyange hukuru hwahwo uye chimiro.

Iyo dolphin inoonekwa seimwe yemhuka dzinokurumidza kufamba mumvura - mumvura inokwanisa kukwira nekukwira kwemakiromita makumi mana neawa! Izvi zvikara zvikara, zvinodyisa zvikuru pamusoro pehove. Hupenyu hupenyu hwe dolphin hunenge makore makumi matatu.

Mumasango, ma dolphin akawanda anobata vanhu nyore nyore. Iyo dolphin, kununura kubva pangozi yemhando yake, ichaswedererawo kumubatsiro wemunhu. Achasvitsa munhu ari kunyura mugungwa, achidzinga shark kubva kwaari, uye kuratidza nzira kune vafambisi vezvikepe. Ichokwadi ichi chave chichiratidzwa, asi chinangwa chechiitiko ichi chakanga chakakundikana kutsanangura.

Ko dolphin anorara here?

Kurara kwema dolphins kunokosha - kufanana nemamwe mhuka dzose. Zvisinei, mhuka idzi inokosha. Izvo zvakanyatsotariswa, uyewo zvidzidzo zvebasa rezvehupenyu hweuropi, zvakaita kuti zvibone kuzarura mufananidzo chaiwo wekuti ma dolphins anonyatsorara sei.

Kuti urege kunyura panguva yehope kana kuti usati wawira kune chikara chinorwisa, mhuka idzi dzomumvura dzinorara "hafu". Imwe hemisphere yeuropi yemhuka panguva yekurara inowana kuzorora zvakakwana, yechipiri inoramba yakamuka, ichidzora chii chiri kuitika nechokuita uye kuporesa basa. Ndosaka dolphins akarara neziso rimwe rakazaruka: kana ubongo hwakarurama huri kuzorora, ziso rekuruboshwe rakavharwa, uye pamwe chete. Kurota kwakadaro kunotora maawa matanhatu kana manomwe pazuva. Uye apo dhiphin inomuka, mapoka ose maviri anotanga kushanda.

Maitiro ei dolphins anorara

Zvisingaoneki pakutarisa kwekutanga, ruzivo rwehope ye "hafu-hope" ye dolphin haidziviri kuti isapfuure mumativi ose, kubva pakurumidza kusvika pakadzika, panguva imwe chete ichipa mhuka kuzorora zvakakwana. Masayendisiti akanyatsotevera nzira iyo dolphins inorara uye yakazarura maitiro akafanana. Izvi zvinowanzoitika pakadzika kwakadzika, pedyo nepamusoro pemvura. Pamusana pezvakanyanyisa mumuviri weadipose tissue, ma dolphins anononoka achidzika. Zvose zvino uye zvino mhuka, iri muchiroto, inorova muswe nemvura uye inofamba ichienda kumusoro kuitira kufema mumhepo. Mushure meizvozvo, iyo inodzokerazve zvishoma nezvishoma kusvika pakadzika.

Kuputika kwechiropin muchiroto

Inonzwa kana ichikwira pamusoro pekushanduka mumhepo , dhiphin inotanga maruva (chino). Anofema nokukurumidza zvakakosha: nekuda kwezvisikwa zvechimiro chemuviri wekupumha, anokwanisa kufema mukati nekunze panguva imwechete. Munguva yekugara pasi pemvura, breather inoramba iri yakachengeteka yakavharwa.

Dzafurai dzinoberekwa hazvina kurara kwemwedzi!

Kutsvakurudza kwakaratidza: kufungidzira kuti ma dolphins haana kumbovata ndeye nhema. Zvisinei, chimwe chikonzero chechizivo chakawanikwa. Masayendisiti eNyunivhesiti yeKalifornia muLos Angeles akawana kuti vana vanozvarwa patsva ema dolphin nemapapiro havazorari mumwedzi wekutanga weupenyu hwavo! Mukuwedzera, vana vachakamanikidza amai vavo kuti varambe vachishanda nguva ino yose ...

Zviduku duku zvema dolphins zviri kufamba zvichingofamba, zvichitenderera kusvika kumusoro kuti dzinyore mhepo imwe neimwe mitatu kusvika pamaminitsi makumi matatu. Uye mwedzi mumwe chete gare gare mukugara kwavo kwezuva nezuva vanotanga kuonekwa nguva shomanana dzokurara, izvo zvishoma nezvishoma zvinosvika kune chimiro, chimiro chemhuka yakakura.

MaAmerican biologist vakaratidza kuti chiito ichi chinoderedza ngozi yekudyiwa nezvikara zvevana vevana vanodhaini uye maruva, uyewo zvinoita kuti vakwanise kuchengeta kutonhora kwemuviri kwakasimba. Panyaya iyi, vakaburitsa mubvunzo unofadza pamusoro pekuvapo kweimwe nzvimbo yakachengetwa mumuviri wemhuka dzesimba, zvichivabvumira kwenguva yakareba kuti vaite vasina kurara, vasingaoni chero kukuvadza kune utano.