2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Teb: Nws yog ib tus cwj pwm caj ces.
hom nroj tsuag yog dab tsi?
Nyob hauv Pisum sativum, dwarfness of plant is a character.
Vim li cas Mendel thiaj siv tau txiv laum huab xeeb hauv nws qhov kev sim?
Kev kawm noob caj noob ces, Mendel tau xaiv los ua haujlwm nrog cov txiv laum huab xeeb vim lawv muaj cov yam ntxwv uas paub tau yooj yim (Daim duab hauv qab). … Mendel kuj siv tau txiv laum huab xeeb vim lawv tuaj yeem ua rau tus kheej pollinate los yog hla-pollinated. Self-pollination txhais tau hais tias tsuas yog ib lub paj koom nrog; lub paj nws tus kheej pollen av rau ntawm poj niam cev xeeb tub.
pea reproduce?
Peas feem ntau reproduce by self-pollination, nyob rau hauv uas paj ntoos tsim los ntawm ib lub paj fertilizes qe nyob rau hauv tib lub paj. Pea nroj tsuag loj hlob sai thiab tsis xav tau ntau qhov chaw.
Vim li cas cov txiv laum huab xeeb ua rau nws tus kheej fertilize?
Pea nroj tsuag kuj feem ntau ua rau nws tus kheej fertilize, txhais tau tias tib tsob nroj ua rau cov phev thiab qe uas tuaj ua ke hauv fertilization. … Qhov no yog ua los ntawm kev hloov pollen los ntawm anthers (txiv neej qhov chaw) ntawm ib tug txiv neej cog ntawm ib tug ntau yam mus rau carpel (poj niam ib feem) ntawm ib tug paub tab cog ntawm ntau yam.
Pom zoo:
Puas yog agapanthus yog tsob nroj?
Agapanthus: A weed peb pom txhua hnub. Nws yog ib haiv neeg African yav qab teb uas vam meej hauv New Zealand. Agapanthus yog ib qho ntawm Kiwi gardeners 'cov paj nrov tshaj plaws, tab sis nws tuaj yeem sib cav nws kuj yog peb cov nroj tsuag pom pom tshaj plaws.
Puas yog saffron yog tsob nroj?
Saffron is sau los ntawm saffron crocus, scientific name Crocus sativus. Qhov no yog cov nroj tsuag sib txawv kiag li ntawm lub caij nplooj zeeg crocus (Colchicum autumnale), kuj paub me ntsis tsis meej pem li meadow saffron. Koj puas tuaj yeem cog saffron hauv Tebchaws Meskas?
Dab tsi yog qhov txawv ntawm cov cim thiab cov cim cim?
Symbolism yog hais txog kev siv cov duab tshwj xeeb lossis cov duab zoo nkauj, lossis cov duab kos duab pom tseeb uas tuav cov ntsiab lus sib koom hauv ib pawg. Lub cim yog ib qho duab lossis kos npe uas nkag siab los ntawm ib pawg los sawv cev rau ib yam dab tsi.
Yog lousewort yog tsob nroj?
Lousewort, herbaceous nroj tsuag ntawm genus Pedicularis (hauv tsev neeg broomrape, Orobanchaceae), uas muaj txog 350 hom pom thoob plaws sab qaum teb Hemisphere tab sis tshwj xeeb tshaj yog nyob rau hauv lub roob ntawm Central thiab sab hnub tuaj Asia.
Puas yog mob lub xub pwg nyom yog ib qho cim ntawm lub plawv nres?
mob lub xub pwg nyom yog qee zaum mob plawv, tshwj xeeb tshaj yog cov poj niam. Lwm cov tsos mob, xws li mob hauv siab thiab ua tsis taus pa, kuj tuaj yeem tshwm sim. Koj yuav tsum nrhiav kev kho mob xwm txheej ceev yog tias koj ntsib cov tsos mob no.
