Prehistoric da yara - Ubangijin dukan duniya!

Juyin Halitta - mai tsanani abu. A kowane mataki na da samuwar wannan duniya tamu, a wani lokaci akwai wasu dabbobi da, ba shakka, su ne Elite a lokacinsa. Wadanda dogon dauke da prehistoric da yara. Game da su, kuma magana.

Vertebrate dabbobi zauna da Duniya for a kan miliyan 500 da shekaru! Kusan rabin wannan lokaci, da duniyar da aka mamaye prehistoric da yara - dinosaur! Ka kawai tunani game da wadanda lambobi! Babu sauran rukuni na dabbobi ba zai iya tsira a tarihin samuwar na Duniya domin idan dai shi ya faru a zamanin d dinosaur. Sun kasance sũ ne na ainihi iyayengiji!

Prehistoric da yara - kambi na halittar yanayi!

A lokaci daya, da tsoho masu rarrafe ne pinnacle na ci gaban duk nazarin sasannin kwayoyin cewa zauna duniya tamu. Dinosaur sun sarakunan ƙasar a kan miliyan 100 da shekaru! Sun kasance sũ ne m, kuma daban-daban dodanni. Babu sauran halitta ba zai iya daidaita ƙarfi daga gare su, kuma kamalar! Yau prehistoric da yara, dabbobi masu rarrafe gushe ba ya wajaba a zukatan masana kimiyya da kuma kunkuntar shiryayye: aiwatar da su zama da kuma nau'i nau'i na wasan kwaikwayo su wakilci amfani mutum daga lokacin da ya koya na Great Age na dabbobi masu rarrafe! Dinosaur karatu sosai a hankali, babu sauran irin dadaddun dabbobi ba amfani a cikin kimiyya al'umma kamar yadda mafi m fiye da zamanin da dabbobi masu rarrafe!

Prehistoric marine da yara

A tsawon lokaci, ƙasar da aka ma mutane, da kuma wasu dabbobi masu rarrafe ya fara gano da ruwa. Masana kimiyya sun gano gwaje da cewa dabbobi masu rarrafe a ko'ina cikin tarihin ta ci gaba, daga lokaci zuwa lokaci baya ga ruwa. Wannan ya faru a lokacin da babu su da aka jiran mafi yawan abinci da abincinsu tsaro. Domin su shi ne akwai wani ƙunci, saboda rayuwa a cikin teku, da teku na bukatar daga dabbobi masu rarrafe babu albarkacin manyan rearrangements a cikin jiki da kuma Physiology.

A farkon prehistoric da yara, ƙware da ruwa, sun anapsid - Mesosaur Permian. Bãya gare su a cikin ruwa bar m Diapsid - tangozavry, talattozavry, kuma klaudiozavry hovazavrusy. A mafi yawan 'yan kungiyar na cikin ruwa dabbobi masu rarrafe ichthyosauri zama na ƙwarai. Wadannan marine da yara da aka kawai na kwarai saba da rayuwa a cikin wani ruwa na duniya tamu. A form ichthyosaurs sosai kamar ya fi kowa kifi ko dabbobin ruwa: triangular kai tare da dogon muƙamuƙanka, mara tausayi yakan kishi jiki, mĩƙe a tarnaƙi, da ruwa wutsiya filafilin kifi - da a tsaye da kafafu canza kama zuwa hudu ventral filafilin kifi.

Ubangijin tekuna da tekuna The most abada rayuwa a cikin ruwa masu rarrafe ya kasance daya liopleurodon. All sauran marine prehistoric da yara kawai iri na a gaba gare shi ... da yake rayuwa na fadi da Jurassic lokaci. Game da girman wannan gigantic halittun har yanzu tafiya ilimi muhawara. Hudu babbar flippers takaice da kuma laterally matsa wutsiya, kazalika da manya-manyan kuma kunkuntar kai tare da babbar hakora (game da 30 cm a tsawon) sanya shi cikin undisputed mulkin dukan tekuna da kuma tekuna na zamanin d duniya!