Nyengo Cainozoic

Nthawi ya chitukuko ya lapansi unatha angapo osiyana zaka. Zikuphatikizapo ndi nthawi zosiyana. The Cenozoic Nyengo ndi atsopano Geological lothandiza. M'litali - zaka 65 miliyoni .. The Cenozoic Nyengo lagawidwa atatu nthawi: ndi Anthropogenic, Neogene ndi Paleogene. Aliyense wa iwo, nawonso, ogaŵikana nyengo.

Cenozoic nyengo ndipo akupitiriza lero.

Paleogene zikuphatikizapo Oligocene, Eocene, Paleocene, Neogene - Pliocene ndi Miocene, Anthropogene - Holocene ndi Pleistocene.

Kodi moyo mu Cenozoic nyengo

65 mln. Zaka zapitazo, Paleogene nthawi.

lothandiza Choyamba ndi Paleocene. Popeza anayamba Cenozoic nyengo. Pa nthawi imeneyo, m'maiko anapitiriza kuyenda awo ndi Gondwana (kumtunda chachikulu) anapitiriza linagawanika. Kwathunthu asakhalenso dziko kunapezeka America South.

Pa nyama dziko anayamba kusintha, anyani oyambirira anali insectivores ndi makoswe. Panali nthumwi yaikulu ya herbivores ndi adani. Mu madzi m'madzi chinayamba mtundu watsopano wa nsombazo ndi zina zolusa nsomba.

Mwa zomera anayamba kufalitsa maluwa mitundu.

Eocene nyengo anayamba zaka makumi asanu miliyoni zapitazo. The kumtunda anayamba kukhazikika pansi monga chonchi, monga izo ziriri lero. America South watha kukhala ndi Antarctica, India akuona Asia. Anayamba kumwazikana ndi Australia kwa Antarctica.

Pa dziko panali lemurs, mileme, herbivores lalikulu (makolo a ng'ombe, mahatchi, njovu, nkhumba, ndi zina). Palinso mitundu ina nyama komanso kusanduka.

Kuchuluka chiwerengero cha madzi oyera nsomba, zinsomba kumbuyo m'madzi.

Tinayamba mitengo kukula mu M'madera a zitunda kotentha, nkhalango madera osiyanasiyana zomera dziko lapansi zobiriwira.

Oligocene lothandiza anayamba zaka sate-eyiti miliyoni zapitazo. kontinenti Australia ndi Antarctica kwathunthu wogawanika, monga India anawoloka mzere yamphamvu. Nyengo pa dziko anakhala ozizira. Chachikulu ayezi kapu anapanga pa Pole South. Izi zapangitsa kuti kukula kwa malo dziko, ndi kuchepetsa voliyumu madzi. Mogwirizana ndi yozizira linasintha ndi zomera. M'malo rainforest steppe kufala.

Nyama zamiyendo Inayi anayamba mwachangu kukhala malo a steppe. Pali mitundu yatsopano ya hares, akalulu rhinoceros, oimira loyamba ruminants.

zaka twente-faifi miliyoni zapitazo Neogene nthawi. Pamafunikanso nyengo ziwiri.

Pa Miocene, pafupifupi m'mayiko anapitiriza kusuntha. Chifukwa cha kugunda kwa Africa ndi Europe ndi Asia anapanga Alps. Pambuyo kulumikiza India ndi Asia anapanga HimalayasI. Pa nthawi yomweyo, kukhala ndi Andes ndi miyala m'mapiri. Pa nthawi yomweyo Africa Australia ndi ku South America anakhalabe kutali dziko. Pa paliponse anayamba zomera yake yapadera ndi zomera. Kufala kwa pepala ayezi pa Antarctica chikwiyire kuzirala kwambiri.

Pa nyama Miocene anasamukira ku Africa wina ndi mzake.

zaka mamiliyoni asanu zapitazo anayamba Pliocene.

lonselo pafupifupi pa malo amodzi monga lero. Anapitiriza kuzirala ndi kufalitsa steppes lapansi.

Zamiyendo Inayi nyama ndi mwachangu otukuka. The zamoyo wa kavalo. Malo a nyama ndi North America. Kuchokera kumeneko, akavalo Zafalikira dziko.

Pofika kumapeto kwa Pliocene, North ndi America South anamukwiyira chokhudzana ndi mzake. Malinga ndi kupanga "mlatho dziko" anayamba kayendedwe ka nyama Africa wina ndi mzake. Ofufuza amasonyeza kuti pa nthawi imeneyi, kunali kutha kwa mitundu chifukwa cha kulimbana kukula kupulumuka.

zaka miliyoni zapitazo, anayamba nthawi Anthropogenic.

Woyamba lothandiza - ndi Pleistocene - yodziwika ndi kufala kwa pepala ayezi. Panthawi imeneyi, alternating nthawi kwanyengo ndi kuzirala, chete, ndipo pa nyanja. Tikumbukenso kuti ngakhale tsopano zikatero mwawo.

mitundu nyama kuti ndinazolowera nyengo. anthu oyambirira anaonekera.

About zikwi khumi zapitazo, chiyambi cha Holocene - nyengo yachiwiri ya nthawi Anthropogenic.

Nyengo anafanana ano, alternating nthawi kuzirala ndi kutentha. Iwo anayamba kukula kwa mtundu wa anthu.