HIPPOS REPRODUCT li cas?

Cov txheej txheem:

HIPPOS REPRODUCT li cas?
HIPPOS REPRODUCT li cas?
Anonim
Yuav ua li cas hippos reproduce? fetchpriority=siab
Yuav ua li cas hippos reproduce? fetchpriority=siab

Hippo-potamus los yog "niaj dej", raws li Linnaeus hu ua hippopotamus. Hauv lwm haiv neeg nws yog lub npe hu ua "kwv dej", "dej npua" lossis txawm tias "dej tsiaj nyaum". Lawv ib txwm raug muab piv rau lwm hom tsiaj vim lawv qhov zoo nkauj thiab kev coj cwj pwm, tab sis cov tsiaj no tuaj qhov twg? How do hippos reproduce? Lo lus teb yog nws nyob ntawm hom.

Hnub no, muaj ob hom uas muaj ntau qhov sib txawv ntawm lawv cov kev loj hlob. Lawv yog cov hippopotamus (Hippopotamus amphibius) thiab pygmy hippopotamus (Choeropsis liberiensis). Hauv tsab xov xwm no hauv peb lub xaib peb yuav tsom mus rau

hippopotamus reproduce li cas?

hippopotamus yog ib qho chaw mos, zoo li nas, dev lossis tib neeg. Yog li ntawd, nws cov me nyuam yog kev sib deev Ib tug hippopotamus tshiab yog tsim los ntawm lub union ntawm ib tug txiv neej gamete (sperm) thiab ib tug poj niam gamete (ovum). Tsis tas li, hom no yog unisexual: muaj txiv neej thiab poj niam hippos.

txiv neej hippos me ntsis loj dua poj niam hippos thiab muaj lub puab tsaig muaj zog dua1 1 Qhov no yog vim lawv thaj av ntau dua. Lawv sib tw ua ke rau thaj chaw uas cov poj niam nyob, kom cov txiv neej tseem ceeb tshaj plaws yog cov uas yug dua tshiab. Nyob rau hauv luv luv, ntau hippos yog polygamous tsiaj

Tam sim no, ua cas hippos reproduce? Kev sib deev ntawm hom no tshwm sim hauv dej Tus poj niam tseem nyob hauv dej thiab tus txiv neej nce saum nws, pib ua kev sib deev. Copulation kav ntev li 15 feeb thiab, tom qab nws, ib lub embryo (tsis tshua muaj ob) tsim hauv poj niam. Qhov no yog li cas hippos reproduce.

Yuav ua li cas hippos reproduce? - Yuav ua li cas ib tug hippopotamus reproduce?
Yuav ua li cas hippos reproduce? - Yuav ua li cas ib tug hippopotamus reproduce?

Hmoob hippos yog cov tsiaj uas muaj kev sib raug zoo heev. Lawv tsim pab pawg ntawm 10 thiab ntau pua tus neeg, qhov chaw lawv raug cais los ntawm kev sib deev. Ntawm qhov tod tes, cov poj niam, cov xeeb ntxwv thiab cov subadults nyob. Ntawm qhov tod tes, peb pom cov pab pawg ntawm cov txiv neej ib leeg uas tuav lub cev tsis muaj zog. Qhov no yog vim feem ntau tsuas yog ib tug ntawm lawv cov tseem ceebthiab muaj peev xwm pub dawb nrog cov poj niam.

Qee lub sij hawm tus txiv neej ntxeev siab, sib tw txiv neej dominant. Nkawv ob leeg sib cav thiab siv taub hau los qhia lawv lub hwj chim Ua li ntawd, lawv qhib qhov ncauj, qhia lawv cov hniav rau tus yeeb ncuab thiab ntaus ib leeg. lawv lub puab tsaig. Lawv feem ntau tsis ua mob rau ib leeg, txij li tus tsis muaj zog paub txog nws qhov tsis zoo los ntawm kev tso siab rau.

Yog li no, tus txiv neej uas muaj zog tshaj plaws defends nws thaj chaw los ntawm lwm tus txiv neej, suav nrog cov dej uas lawv so, ntug dej thiab ib lub strip me me. ntawm av Ua li no, nws emits growls thiab kis nws cov quav ua tsaug rau cov yam ntxwv txav ntawm nws tus Tsov tus tw. Cov txheej txheem no kuj pab qhia rau cov poj niam tias nws muaj cov noob zoo tshaj plaws; yog qhov zoo tshaj bet.

Yuav ua li cas hippos reproduce? - Kev sib hais plaub ntawm hippos li cas?
Yuav ua li cas hippos reproduce? - Kev sib hais plaub ntawm hippos li cas?

Puas yog hippopotamus oviparous lossis viviparous?

Lub neej amphibian ntawm hippos ua rau qee tus neeg tsis ntseeg tias cov tsiaj no nteg qe lossis yug. Qhov tseeb yog tias tag nrho cov placental mammals yog cov tsiaj viviparous thiab yog li hippopotamus. Cov poj niam cev xeeb tub ntev thiab lawv cov me nyuam yug los ntawm kev yug me nyuamNov yog qhov hippos ntawm ob hom me me.

Nyob hauv kev yug me nyuam ntawm cov hippopotamus, cev xeeb tub kav txog 240 hnub (7-8 lub hlis). Tom qab lub sij hawm no, nws yog lub sij hawm yug me nyuam thiab tus poj niam tsiv tawm ntawm pab pawg mus rau hauv dej ntiav. Nyob ntawd, ib leeg, feem ntau nws muaj menyuam thiab, tsis tshua muaj, ntxaib.

Tsis tas li ntawd, lawv muab lwm yam nta rau peb. Piv txwv li, cov poj niam muaj cov qog mammary thiab pub mis rau lawv cov menyuam. Lawv kuj saib xyuas lawv thaum lawv tseem me me, tsawg kawg kom txog thaum lawv muaj sia nyob ntawm lawv tus kheej.

Tus Me Nyuam Hippos

Tam sim no koj paub tias hippos yug me nyuam li cas, tej zaum koj yuav xav tias lawv cov hluas zoo li cas. Ib tug me nyuam mos liab hippopotamus hnyav ntawm 35 txog 52 kg Ob hnub tom qab yug me nyuam, leej niam rov qab nrog cov poj niam thiab, ua ke, tiv thaiv lawv cov hluas ntawm cov tsiaj nyeg.. Cov txiv neej, ntawm lawv, tsis koom nrog kev saib xyuas cov tub ntxhais hluas.

Kev saib xyuas tseem ceeb yog kev pub niam mis. Hippopotamus niam tus nais maum ob leeg hauv dej thiab hauv av, thaum so lossis noj, raws li. Cov txheej txheem no xaus thaum cov me nyuam muaj hnub nyoog 8 txog 15 lub hlis, thaum lawv loj hlob txaus kom muaj kev ywj pheej. Txawm li cas los xij, lawv nyob twj ywm me nyuam mus ntev. Nyob rau hauv cov qus, cov tsiaj no ncav cuag poj niam deev hluas thaum lawv muaj 6-9 xyoos Zoo li lig, tab sis lawv tuaj yeem rov mus txog thaum lawv muaj hnub nyoog 40-45 xyoo., uas yog lawv lub neej expectancy. Lub sijhawm no, cov pojniam feem ntau muaj ib tug menyuam dev txhua 2 xyoos

Yog koj xav paub ntau ntxiv txog "cov nees dej", koj yuav tsum tau nyeem lwm tsab xov xwm no txog Dab tsi hippos noj.

Thaum twg hippos yug?

Lub caij yug me nyuam rau cov hippos nyob ntawm seb lawv nyob qhov twg. Nyob rau sab qab teb thiab thaj chaw ntawm sab hnub tuaj Africa lawv yug los raws caij nyoog. Yog li no, parturition coincides with the arrival of the rain, kom ntseeg tau tias muaj nyiaj ntau rau kev yug me nyuam. Txawm li cas los xij, nyob rau sab hnub poob thiab thaj chaw ntawm sab hnub tuaj Africa muaj kev yug menyuam tuaj yeem tshwm sim thoob plaws xyoo.

Yog koj xav paub ntau ntxiv txog qhov chaw nyob ntawm hippos thiab lawv tus cwj pwm, tsis txhob hnov qab lwm tsab xov xwm no nyob qhov twg hippos nyob.

pygmy hippos reproduce li cas?

Peb twb paub tag nrho txog kev yug me nyuam hippopotamus, tab sis yuav ua li cas pygmy hippos reproduce? Cov tsiaj no nyob hauv hav zoov hav zoov ntawm West Africa, qhov chaw uas lawv yog cov kws tshaj lij ntawm kev zais lawv tus kheej. Yog li ntawd, tsis muaj ntaub ntawv qhia txog lawv tus cwj pwm kev yug me nyuam hauv qhov xwm txheej. Txhua yam uas peb yuav pom tau raug soj ntsuam hauv kev poob cev qhev

Pygmy hippos yog cov tsiaj ib leeg. Lawv nyob ib leeg lossis nrog tus khub thiab yog thaj chaw heev. Cov txiv neej muaj txog 2 km² ntawm thaj chaw, thaum poj niam ua nrog txog 0.5 km². Lawv yug tau txhua lub sij hawm ntawm lub xyoo thiab mating tuaj yeem tshwm sim hauv av lossis hauv dej.

Kev cev xeeb tub kav txog 200-210 hnub (6-7 lub hlis). Lawv feem ntau muaj ib tug hluas, tsis tshua muaj ob. Nws yog ib txwm yug hauv av thiab hnyav ib ncig 5 kg. Nws niam cia nws muab zais rau hauv qhov lossis hauv qhov txhuam, qhov chaw nws kawm sai sai los tiv thaiv nws tus kheej. Txawm li cas los xij, nws yuav siv sijhawm li 2, 5 lossis 3 xyoos kom ncav cuag kev sib deev.

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