Cov txheej txheem:
- Vim li cas heterospory suav tias yog qhov yuav tsum tau ua ua ntej rau kev hloov pauv ntawm cov noob?
- Vim li cas heterospory tseem ceeb?
- heterospory yog dab tsi thiab muab nws qhov tseem ceeb?
- Nyob hauv tsob nroj twg yog heterospory tam sim no?
Video: Vim li cas heterospory thiaj suav tias yog?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Heterospory yog ib qho tshwm sim uas ob hom spores tau yug los ntawm tib tsob nroj. Cov spores no txawv ntawm qhov loj. Qhov me me yog hu ua microspore thiab qhov loj dua yog hu ua megaspore. … Heterospory yog li no suav tias yog kauj ruam tseem ceeb hauv kev hloov pauv vim nws yog qhov ua ntej rau cov noob cwj pwm
Vim li cas heterospory suav tias yog qhov yuav tsum tau ua ua ntej rau kev hloov pauv ntawm cov noob?
Lub caij nyoog ntawm kev ciaj sia ntawm gametophyte ywj pheej tsawg heev. Yuav kom kov yeej qhov teeb meem no, tus poj niam gametophyte tau khaws cia mus tas li hauv megasporangium. Yog li, qhov mob heterosporous yog suav tias yog qhov ua ntej rau cov noob nyob.
Vim li cas heterospory tseem ceeb?
Heterospory yog qhov zoo nyob rau hauv uas muaj ob hom spores nce qhov zoo li cov nroj tsuag yuav ua tiav cov xeeb ntxwv Heterosporous spores tuaj yeem teb nws tus kheej rau kev xaiv los ntawm ecological tej yam kev mob txhawm rau ntxiv dag zog rau txiv neej thiab poj niam deev luag poj luag txiv.
heterospory yog dab tsi thiab muab nws qhov tseem ceeb?
Hint: Heterospory yog kev tsim cov spores ntawm ob qhov sib txawv thiab kev sib deev los ntawm sporophytes ntawm cov nroj tsuag hauv avQhov me ntawm cov no yog microspore yog txiv neej thiab loj megaspore yog poj niam. Cov lus teb tiav: … - Cov microsporangium muaj microspores whereas mega sporangia muaj megaspores hauv lawv.
Nyob hauv tsob nroj twg yog heterospory tam sim no?
Heterospory txhais tau tias tsim ntawm ob qhov sib txawv sib txawv. Qhov me me, tsim los ua microspore tom qab ua rau cov txiv neej gametophyte thiab qhov loj dua hu ua megaspore ua rau poj niam gametophyte. Heterospory feem ntau tshwm sim hauv tag nrho cov gymnosperms thiab qee yam pteridophytes xws li Selaginella
Pom zoo:
Vim li cas kev pab thiaj suav tias yog kab mob venereal?
HIV yog kab mob sib deev, tab sis nws tuaj yeem ua rau tus kab mob hu ua acquired immunodeficiency syndrome (AIDS) thaum tus kab mob HIV tsis kho nrog tshuaj HIV Lwm yam piv txwv ntawm STDs yog chlamydia, kab mob gonorrhea, human papillomavirus (HPV) infection, and syphilis .
Vim li cas txiv maj phaub thiaj suav tias yog tsob ntoo txiv ntoo?
Hauv lwm lo lus, lub cev yuav yuam kev cov khoom noj zoo sib xws li cov khoom noj. Qhov no hu ua cross-reactivity. Vim li no, txiv maj phaub thiaj suav nrog cov noob txiv ntoo thaum nws tuaj yeem ua xua . Vim li cas FDA thiaj txiav txim siab txiv maj phaub ntoo?
Vim li cas geography thiaj suav tias yog kev tshawb fawb?
Geography yog txoj kev tshawb fawb uas kawm txog kev sib raug zoo ntawm thaj chaw, cov txheej txheem ntuj tsim, kev coj noj coj ua thiab kev cuam tshuam ntawm txhua qhov chaw nyobVim li cas Geography tshwj xeeb ntawm txhua qhov kev qhuab qhia?
Vim li cas Vajtswv npau taws thaum Daviv suav suav suav?
Txawm hais tias leej twg ua qhov kev tshoov siab, David tus thawj tub rog Joab Yau-am piav qhia hauv phau Vajlugkub Joab yog , yog vajntxwv Daviv tus muam (1 Vaj Keeb Kwm 2.:15–16). Davi tsa nws ua thawj tub rog (2 Xamuyee 8:16; 20:23; 1 Vaj Keeb Kwm 11:
Vim li cas npauj npaim thiaj suav tias yog kab?
Lub npe no zoo kawg nkaus rau cov kab hauv pawg no vim lawv cov tis tau npog nrog ntau txhiab tus nplais me me sib tshooj … Zoo li txhua yam kab, npauj npaim muaj rau ceg thiab peb lub ntsiab lub cev qhov chaw: lub taub hau, thorax (lub hauv siab los yog nruab nrab seem) thiab plab (tail kawg).
