Era - a ọgụgụ oge usoro. Gịnị bụ oge?

Era - bụ a nnukwu oge, akụkọ ihe mere eme oge. Ya mere a na-akpọ usoro ọgụgụ oge, nakwa dị ka mmalite nke a na oge. The akụkọ ihe mere eme nke ụwa anyị nwere ike kere n'ime oge. N'etiti onwe ha, ha dị iche na ụfọdụ Ihu Igwe na obodo mgbanwe, nakwa dị ka a dị ịrịba ama itunanya na mmepe nke anụmanụ na osisi ndụ. Ọtụtụ ndị nwere mmasị na, ihe na-afọ na ihe ha na-anọchi anya. Isi nkebi nke mmepe nke Earth.

archean oge

N'oge a, anyị na mbara ala, e guzobere, mgbe kere banyere a ijeri afọ. Life na Earth bụghị, na oké osimiri nke chemical Jeremaya mere n'etiti asịd, alkalis, salts. Archean oge nyere ịrị elu a protein umi. Ọ bụ mgbe ahụ malitere iputa ndu eme ntule.

proterozoic oge

Nnukwu oge mgbe nke mbara ala, nke e kere banyere 2 ijeri afọ. N'oge a, ịzụlite algae na bacteria, ntule nweta ahụ nke ha, ha na-aghọ multicellular. Era - a oge mgbe e nwere ihe ọhụrụ, Proterozoic ogbo na-akwanyere ùgwù ụdị ego nke ígwè ore. Oge a e ji eziokwu na ihe niile dị ndụ Filiks na-ebe ke oké osimiri.

Palaeozoic

Nke a bụ oge dị iche nke na-adịgide adịgide mgbanwe ke Ọnọdụ Ihu Igwe, e kewara n'ime 6 nkebi. N'oge a, na-emepe emepe na osisi fauna, e nwere ọtụtụ ụdị nke azụ. Tinyere anoghi n'ulo oba na-eto eto conifers, ferns. Gburugburu n'etiti nke oge ndị mbụ amphibians ka nākpu akpu, ébé, ụkpara. The oge e ji mgbe nile upheavals, na-agbanwe shapes nke kọntinent.

The Mesozoic oge

Adọ esịnede Triassic, Jurassic na Cretaceous oge. The Mesozoic oge - bụ ntoputa nke ala na oké osimiri turtles, frogs, oporo, ọhụrụ umu nke nkume kọral. Na-adịkwaghị nākpu akpu na dinosaurs. Ke n'etiti afọ e nwere na mbụ nnọchiteanya nke oge a na nnụnụ na ụmụ ahụhụ. The Cretaceous oge bụ ikpochapu nke pterosaurs na dinosaurs.

N'oge a, mma Ọnọdụ Ihu Igwe, na n'ihi na ala kpuchie greenery. On n'ala bụ ndị mbụ ụdị fir na pine osisi, na okooko osisi. Na Mesozoic oge na-amalite na-arụkọ ọrụ ụmụ ahụhụ na osisi. N'oge a, ndị na-enye na-na ọhụrụ forms na akụkụ, agwaetiti na-guzobere n'ihi nke gbawara n'etiti. Atlantic Ocean na-amụba na size, idei mmiri nnukwu traktị ala.

Cainozoic oge

"Olee otú ọtụtụ afọ bụ ndị ikpeazụ oge nke ndi mmadu ndụ?" - ọtụtụ mgbe kọwaa ajụjụ a ndị mmadụ. The Cenozoic oge (ọ dịruru a ụbọchị) malitere banyere 66 nde afọ gara aga. Ọ dị iche na biakwa obibia nke oge a na nnụnụ, mammals, angiosperms na, n'ezie, ụmụ mmadụ. Site n'etiti oge kpụrụ fọrọ nke nta niile na isi iche iche nke ala-eze nke okike. N'oge a na e nwere steppes na ala ahịhịa juru, ọhụrụ ụdị grasses, osisi. Ọzọkwa na ọdịdị kpụrụ isi ụdị agrocenoses na biogeocenosis. Man amalite imeghari ka gburugburu ebe obibi, na-eji agwa izute onye mkpa. Ọ bụ ndị mmadụ bụ onye mesịrị gbanwere organic ụwa. The Cenozoic Era ekewa atọ oge: Paleogene, Neogene na Quaternary. Ọ na-aga n'ihu taa.

Weere na oge iche site na ihu igwe na ala e ji mara. Ma e nwere ndị ọzọ na usoro nke oge. Dị ka ihe atụ, na-asị "oge anyị", ọtụtụ na-agụnye a nzọụkwụ nke si n'aka Christmas. Ọzọkwa, ndị mmadụ gawara ihe ulo oru mbo, technotronic na ndị ọzọ na oge na ihe na-akwanyere ùgwù, agbanweela otú ndị mmadụ na-eche banyere ụwa, gbanwere àgwà ndu eme ntule.