Cov ntses hnub qub yuav ua li cas?

Cov txheej txheem:

Cov ntses hnub qub yuav ua li cas?
Cov ntses hnub qub yuav ua li cas?
Anonim

Reproduction: Hiav txwv hnub qub yog tshaj tawm cov spawners. txiv neej tso phev mus rau hauv dej thiab poj niam tso qe. Cov qe fertilized hatch rau hauv daim ntawv larval uas nyob li plankton, qee zaum rau lub hlis, ua ntej nyob rau hauv hiav txwv pem teb hauv nws daim ntawv neeg laus.

ntses hnub qub yug me nyuam li cas?

Hiav txwv hnub qub tuaj yeem tsim kev sib deev thiab sib deev. Hauv kev yug me nyuam, fertilization tshwm sim hauv dej nrog txiv neej thiab poj niam tso phev thiab qe mus rau hauv ib puag ncig. Qhov ntau tsawg dua asexual reproduction tshwm sim los ntawm dismemberment uas cim lub tsim ntawm ob tag nrho starfish nrog tib DNA.

Vim li cas ntses hnub qub yug me nyuam?

Kev sib deev ntawm cov ntses hnub qub tshwm sim by fission lossis los ntawm kev siv caj npab ntawm caj npab. Nyob rau hauv fission, lub hauv paus disc tawg mus rau hauv ob daim thiab txhua feem ces regenerates qhov uas ploj lawm. … Txawm hais tias yuav luag txhua lub hnub qub hiav txwv tuaj yeem tsim kho lawv cov ceg tawv, tsuas yog xaiv ob peb lub hnub qub hiav txwv muaj peev xwm rov tsim dua li no.

Nkauj Ntses Ua Li Cas?

Starfish reproduce sex by spawning. Spawning txhais tau hais tias cov qe ntshav tawm mus rau hauv dej. … Thaum ntses hnub qub qes, cov txiv neej tso phev thiab cov poj niam tso qe ntau heev. Cov ntses hnub qub poj niam tuaj yeem tso ntau lab lub qe me me rau hauv dej thaum lub sijhawm yug me nyuam.

Pob ntses hnub qub tsim kev sib deev thiab sib deev?

Kev kawmstarfish exhibited asexual and sexual reproduction. Kev yug me nyuam tsis sib xws, los yog cloning, suav nrog cov ntses hnub qub faib nws tus kheej ua ob lossis ntau qhov, tom qab ntawd cov khoom tshiab rov tsim dua.

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