Cov txheej txheem:
- Protandry nyob qhov twg?
- Tus piv txwv ntawm Protandry yog dab tsi?
- Puas Protandry tshwm sim hauv paj noob hlis?
- Yuav ua li cas yog protogyny hauv cov nroj tsuag?
Video: Nyob hauv paj ntoo protandry tshwm sim nyob rau hauv?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
1. Qhov xwm txheej hauv uas tus txiv neej lub cev xeeb tub (stamens) ntawm lub paj loj hlob ua ntej cov poj niam (carpels), yog li ua kom nws tus kheej fertilization tsis tshwm sim. Piv txwv ntawm cov paj protandrous yog ivy thiab rosebay willowherb.
Protandry nyob qhov twg?
Thaum pistil matures ua ntej anthers, nws yog hu ua protogyny xws li nyob rau hauv pearl millet. Thaum anthers mature ua ntej pistil, nws yog hu ua protandry. Nws muaj nyob rau hauv pob kws, qab zib thiab ntau lwm hom.
Tus piv txwv ntawm Protandry yog dab tsi?
Ib qho piv txwv ntawm protandry yog clownfish. Hauv hermaphrodites, phev yog tsim ua ntej qe, piv txwv li, earthworms thiab crustaceans. Nws kuj tseem txhawb nqa hla-fertilization thiab tiv thaiv tus kheej-pollination. Qee qhov piv txwv yog mint, salvia, legumes, ivy, thiab lwm yam.
Puas Protandry tshwm sim hauv paj noob hlis?
Cov tswv cuab ntawm cov paj noob hlis yog cov protandrous, lub ntsiab lus cov txiv neej qhov loj hlob ua ntej poj niam qhov. Qhov no txhais tau li cas yog qhov style ntawm paj tuaj yeem koom nrog hauv kev nthuav qhia paj ntoos ua ntej nws yuav txais paj ntoos.
Yuav ua li cas yog protogyny hauv cov nroj tsuag?
Protogyny, qhov xwm txheej uas cov pistils paub tab ua ntej, tshwm sim hauv arum lilies thiab ntau cov nroj tsuag cua-pollinated, xws li nyom-txawm hais tias ob peb cov nyom yog tus kheej-pollinated, suav nrog ntau hom nplej, barley, thiab oats.
Pom zoo:
Nyob rau hauv qhov twg plexus puas lub paj hlwb tshwm sim?
Lub 5 terminal ceg ntawm lub brachial plexus yog cov musculocutaneous musculocutaneous Lub musculocutaneous hlab ntsha innervates peb leeg ntawm lub anterior compartment ntawm caj npab: coracobrachialis, biceps brachii, thiab brachialis. Nws tseem yog lub luag haujlwm rau cutaneous innervation ntawm lateral forearm.
Nyob hauv paj paj tawg paj puas yog?
Ray florets yog sterile, thiab disc florets muaj ob tus txiv neej thiab poj niam cov qauv, suav nrog ib lub zes qe menyuam uas tsim los rau hauv cov noob paj noob hlis. Ib lub paj taub hau yuav muaj txog li ob txhiab disc florets, txhua tus muaj peev xwm tsim tau rau hauv ib lub noob .
Cov siphons tshwm sim thiab tshwm sim nyob qhov twg?
Ntawm ob qhov qhib ntawm tom qab kawg ntawm clam. Qhov qhib qhov ntau dua yog cov siphon uas tshwm sim uas nqa dej mus rau hauv cov clam thiab qhov qhib qhov rooj ntau dua yog cov siphon uas tshwm sim uas cov khib nyiab & dej tawm . Cov kab mob dab tsi muaj tshwm sim thiab Excurrent siphon?
Nyob rau hauv photorespiration decarboxylation tshwm sim nyob rau hauv uas organelle?
decarboxylation yog ib kauj ruam ntawm krebs voj voog, uas tshwm sim hauv mitochondria . Dab tsi organelle koom nrog hauv photorespiration? Photorespiration suav nrog peb lub cev ( chloroplasts, peroxisomes, thiab mitochondria), txhua tus muaj cov txheej txheem thauj tshwj xeeb rau lub voj voog nruab nrab .
Dab tsi tshwm sim tshwm sim joe txoj kev hlub rau jazz?
Joe Gardner yog ib tus kws qhia ntawv hauv tsev kawm theem nrab uas tau ua npau suav ntev txog kev ua suab paj nruag jazz, thiab thaum kawg tau txais lub sijhawm tom qab ua rau ob tus neeg ntaus suab paj nruag jazz thaum lub sijhawm qhib kev ua yeeb yam ntawm Half Note ClubThaum nws tab tom ua kev zoo siab rau nws qhov kev ua koob tsheej tshiab, nws tau poob rau hauv qhov chaw .
