Kev sib cais cais tawm yog meej meej yog ib qho tseem ceeb ntawm cov txheej txheem speciation thiab yog qhov tseem ceeb rau kev saib xyuas ntawm ntau haiv neeg. Thaum tsis muaj kev sib cais ntawm kev yug me nyuam, kev sib txuas ntawm (sexual) hom yuav tsum ua rau lub cev qhuav dej ntawm ntau haiv neeg.
Kev sib cais ntawm kev yug me nyuam cuam tshuam li cas rau cov txheej txheem speciation?
Kev sib cais ntawm kev sib deev sawv cev rau kev sib cais ntawm kev muaj peev xwm ua tiav nrog kev sib deev ntawm lwm hom kab mob, thiab speciation yuav tsum tsim kom muaj kev sib cais ntawm kev sib cais ntawm cov kab mob sib txawv kom txog thaum cov noob ntws tsawg txaus. los yog tsis muaj txiaj ntsig uas cov koom haum suav tias yog ' …
Puas speciation los ntawm kev sib cais?
Cov kws tshawb fawb xav tias thaj chaw cais tawm yog ib txoj hauv kev zoo rau cov txheej txheem ntawm kev pib tshwj xeeb: cov dej ntws hloov pauv, roob nce siab, cov teb chaws drift, kab mob tsiv teb tsaws, thiab dab tsi yog ib zaug. Cov pejxeem tsis tu ncua muab faib ua ob lossis ntau dua cov neeg tsawg.
Yuav ua li cas thaum muaj kev sib cais ntawm kev yug me nyuam?
Kev sib cais yog ib qho kev sib sau ntawm cov txheej txheem, kev coj cwj pwm, thiab cov txheej txheem physiological uas tiv thaiv cov tswv cuab ntawm ob hom sib txawv uas hla los yog sib yuav los ntawm kev tsim cov xeeb ntxwv, los yog ua kom ntseeg tau tias txhua tus xeeb ntxwv uas tej zaum yuav raug tsim los tsis muaj fertile.
Vim li cas kev rho menyuam tawm tseem ceeb heev rau qhov tshwj xeeb?
Cov txheej txheem ntawm kev sib cais ntawm kev yug me nyuam yog ib qho kev sau ntawm evolutionary mechanisms, tus cwj pwm thiab cov txheej txheem physiological tseem ceeb rau speciation. Lawv tiv thaiv cov tswv cuab ntawm ntau hom kev tsim cov xeeb ntxwv, lossis xyuas kom txhua tus xeeb ntxwv tsis muaj menyuam.