Muciya - a ... Main ma'anar

Muciya - shi ne mai aiki harsashi na Duniya. Yau, a lokacin da kimiyya da fasaha da tunani gaggauta samun cigaba, musamman ma'ana neman ilimi game da tafiyar matakai na rayuwa a duniya. An muhimmiyar rawa aka buga a wadannan matakai na rayayyun kwayoyin halitta.

A lokacin da wanzuwar wannan duniya tamu, wadannan kwayoyin sun cika da iska tare da oxygen da kuma nitrogen. Don babban har da warware ta daga carbon dioxide kafa adibas na iskar gas da kuma man fetur.

A ci gaban wannan duniya tamu kafa wani sabon abu harsashi - da biosphere. Muciya - shi ne wani yanki na aiki rayuwa.

The sunan harsashi ƙirƙira Eduard Zyuss. Aron a cikin Girkanci harshe da kalmar «BIOS» (rai), ya a 1875 ya shiga yanki lokaci - da biosphere.

Muciya - shi ne daya daga cikin ma'aunan kasa yadudduka na Duniya.

Ya ƙunshi biyu rayayyun kwayoyin halitta da kuma su modified da mazauninsu.

Yana iya zaci cewa idan akwai rayuwa a wannan duniya tamu, don haka shi ne a cikin sauran kusurwoyi na sararin samaniya. Masana kimiyya sun yarda cewa biosphere - wani sabon abu quite na kowa. Sukan yi kokarin su sami rai waje da Duniya. Amma dai wannan duniya tamu ne kawai daya inda ya wanzu.

Rayuwa ba zai iya taso kwatsam. Too hadaddun wani sabon abu. Ya kamata a gane cewa matakai da ya kai ga rayuwa aban Duniya, mun kusan bai sani ba.

Amma duk abin da ya - akwai da biosphere na Duniya, wanda ke sa yiwu wanzuwar kuma ci gaba da rayuwa a kan wannan duniya tamu.

Duniya 4.5 biliyan. Years. A tarihin ta zama ba, da masana kimiyya ya kasu kashi biyu mai girma epochs: Kriptozoy da Phanerozoic. Kriptozoyskaya zamanin - wannan shi ne zamanin da "boye rayuwa". Geologists a cikin yadudduka na wannan lokaci, na farko burbushi na rayuwa a duniya ba a samu ba.

Phanerozoic zamanin, wanda ya fara da 570 miliyan. Shekaru da suka wuce, an alama ta fashewa, wanda aka kira da Cambrian. Paleozoic fara. A wannan lokaci fãra halittu masu rai. Tsutsotsi, mollusks, chordates, da dai sauransu Saboda haka, yanzu lokaci da aka kira "fashewa."

Ta hanyar da ɗaya da ɗari miliyan. Years bayan "fashewa" kasance na farko da vertabrate. Sai da na ɗauki wani miliyan 400. Years. Rayuwa daga cikin ruwa fara samun to busasshiyar ƙasa. Kamar haka ya tashi da dabbobi masu rarrafe.

Lura cewa rayuwa ta bayyana a cikin ruwa, da kuma na dogon lokaci ba su kasance a iya shiga ƙasar. Akwai wani oxygen yanayi da kuma lemar sararin samaniya Layer, wanda zai iya kare duk rayuwa daga m radiation jefarwa da rana.

Da zuwan na farko m kwayoyin - prokaryotes bayyana da Muciya. A definition na wannan zamani ne sarari - Archean eon.

A zamaninmu, rayuwa a duniya da aka tafasa. Shi ne a cikin teku, a cikin duwatsu, a cikin kankara da kuma volcanic vents.

Ga rayuwa da dabbobi, da micro-kwayoyin, shuke-shuke da kuma fungi.

Muciya - shi ne, a ainihi, wanda bai yankẽwa sarari, inda da yawa jinsunan kwayoyin zauna. Halittu sadarwa damar su yi hul] a da juna, forming wata babbar yanayin kasa.

Duniya yanayi damar rayayyun kwayoyin halitta zuwa daidaita zuwa yanayi daban-daban. Godiya ga wannan duniya da aka kafa a yawan halitta yankunan da ta m Yanayin da kuma inhabiting jinsunan.

Masana na kamfanin «Microsoft» gama aiki na samar da wani kwamfuta model na biosphere. Wannan zai ba da damar masana kimiyya da kuma manufofin masu zuwa realistically tantance lafiyar qasa da ƙasã da yin shawarar da ta dace.