TsimSecondary kev kawm ntawv thiab cov tsev kawm ntawv

Tsiaj qus tsiaj: ib daim ntawv teev cov yam ntxwv, cov nta

Tsiaj qus, daim ntawv teev cov uas muaj ntau yam uas koj paub los ntawm lub tsev kawm ntawv, mus rau lub chav kawm ntawv ntawm cov tsiaj. Nws tsis yog cov pab pawg neeg loj ntawm nyob beings rau lub ntiaj chaw. Txawm li cas los, lawv cov neeg sawv cev sawv ntsug nyob rau hauv sab saum toj ntawm cov zaub mov saw. Tsiaj qus tsiaj xa mus rau cov neeg uas nyob rau hauv ib lub ntuj puag ncig.

tu tub tu kiv tsiaj

Tag nrho cov tsiaj qus, cov npe, hauv daim ntawv thiab kev faib ntawm uas yuav tsum tau los sib tham tom qab, muaj ib tug tshaj plaws nyob rau hauv ntau: leej niam lub mis nyuj noj nyuj. Hais tawm yuav siv sij hawm qhov chaw lawv nyob rau hauv ob peb txoj kev.

Oviparous tsiaj mus qus los ntawm cov noog thiab cov tsiaj reptiles. Txawm li cas los, tus tshiab khiv daug lawm cov tub ntxhais yog pub nrog mis nyuj. Raug qe-tso tsiaj - ib tug os-cov nqi platypus.

Viviparous marsupials. Lawv cov offspring yog yug los mus txog rau thaum tag nrho cov kev loj hlob thiab tsiv mus rau hnav tawm nyob rau hauv ib tug tshwj xeeb los puag hnab. Kangaroo - ib tug raug tus neeg sawv cev ntawm no hom ntawm cov tsiaj.

Placental viviparous. Qhov tseem heev heev pab pawg neeg. Pojniam ntawm cov tsiaj muaj ib tug lub tsev me nyuam - ib tug tshwj xeeb lub cev rau kev coj tus kheej offspring. Nws yuav pab tau pauv tshuaj ntawm niam thiab fetus. Progeny maturation txheej txheem tiav nyob rau hauv lub plab ntawm lub niam kab mob. Cov tub hluas ntxhais yog yug siab tsim. Marsupials thiab qe-tso tsiaj muaj tsis muaj lub tsev me nyuam.

tej yam tshwm sim ntawm tsiaj

Tsiaj qus, daim ntawv teev cov pawg neeg uas muaj 20 yam khoom, muaj ntau nta. lawv tag nrho cov heterosexual, txhua tus tsiaj nws muaj txiv neej thiab poj niam. poj niam cev xeeb tub tshwm sim xwb tom qab nws fertilization los ntawm ib tug txiv neej. cov me nyuam mos ncu tus kab mob kav rau ib tug txawv tus naj npawb ntawm hnub los ntawm 12 mus rau 600. Tom qab yug me nyuam, lawv yuav tsis ua yam uas tsis muaj niam cov kua mis, kev tiv thaiv thiab kev kho mob. Lub neej expectancy mas nws txawv ntawm 1 xyoo rau 70 xyoo nyob rau hauv lub hom.

Tsiaj qus, daim ntawv teev cov uas yog nws kim heev, raws li hom khoom noj khoom haus yuav tsum tau muab faib mus rau hauv peb pawg:

  • herbivores;
  • Carnivores;
  • omnivores.

Lub qhov kub ntawm lub cev yog tam sim no nyob rau hauv feem coob ntawm cov tsiaj qus. Lawv muaj siab coj muaj peev xwm, yog li tsiaj yoog mus rau lub neej nyob rau hauv txawv ecological niches.

Lavxias teb sab tsiaj qus

Tsiaj qus tsiaj nyob rau txhua sab av loj nyob hauv Npanpiloo los ntawm ntau yam thiaj li hais tias ib tug ntawm lawv enumeration yuav siv sij hawm ib tug ntau lub sij hawm. Nyob rau hauv ib ncig ntawm lub Lavxias teb sab Federation, muaj txog 300 hom tsiaj. Ib tug ntau yam ntawm kev nyab xeeb aav yuav npog ntau ecological niches. Daim ntawv teev cov Lavxias teb sab tsiaj qus yuav muab ib lub tswv yim dab tsi hom nyob ntawm no. Tus txiv neej nyob rau hauv lub xeem puas xyoo, ho txo qhov luaj li cas ntawm peb lub teb chaws fauna.

Cov tsiaj qus daim ntawv teev alphabetically thiab yeej

Cov neeg sawv cev ntawm lub Arctic: dais, harp foob, cov ringed foob, bearded foob, walrus, bearded foob, arctic hma liab, Caribou, etc. Ib tug tag nrho ntawm 10 hom ntawm cov av, 14 cetaceans thiab pinnipeds 9 ..

Lub tundra yog ntau dua hom muaj ntau haiv neeg ntawm cov tsiaj. Feem ntau ntawm cov fauna muaj kaj xim thiab tuab plaub. Nruab nrab ntawm lub Yenisei thiab Khatanga Bay nyob rau hauv lub caij ntuj sov koj yuav nrhiav tau cov neeg nyob coob rau hauv lub ntiaj reindeer, nyob rau hauv tej yam ntuj tso tej yam kev mob.

Tsiaj qus, daim ntawv teev cov uas yog hais hauv qab no, yog pom nyob rau hauv lub hav zoov: nas, ermine, luav, liab mos lwj, lwj uas mos lwj, marten, mos lwj, dais, vole, lynx, reindeer, sable.

Fauna tov thiab deciduous forests: Badger, hma, European mos lwj, npua teb qus, marten, mos lwj, lynx.

Yuav ua li cas yog cov steppe tsiaj qus? Alphabetical daim ntawv teev zoo li no: Marmot, zoo jerboa, tolai luav, vole, steppe lemming, antelope, marmots, av squirrels, hamsters.

Suab puam fauna yoog mus rau txhua txhua hnub thiab txhua xyoo kub dhia: hedgehog, luav, shrew, Korsak, nas ceg ntev, voles, antelope, nas, jerboa, ferret.

Far East cheeb tsam nyob rau nram qab no cov tsiaj qus: nas, chipmunk, marten-Kharaz, tsov txaij, Xyooj, mos lwj, wolverine, grouse, sable tsov.

Thoob plaws hauv lub chaw uas zoo heev ntawm Lavxias teb sab Federation muaj hoofed tsiaj qus: cov tsiaj qus npua teb, lwj uas mos lwj, elk, antelope, reindeer. Peb hunted rau plaub tsiaj: nas, hma liab, mink, muskrat, hma liab (lub ntsiab lub hom phiaj hom), sable (zoo tshaj plaws neeg sawv cev). Tsiaj qus tsiaj heev npaum li cas, tab sis mus kho lawv yuav tsum tau respected, vim hais tias cov disappearance ntawm ib hom yuav ua tau kom tragic txim rau cov ib puag ncig.

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