Puas yog morphological thiab embryological marvels?

Cov txheej txheem:

Puas yog morphological thiab embryological marvels?
Puas yog morphological thiab embryological marvels?

Video: Puas yog morphological thiab embryological marvels?

Video: Puas yog morphological thiab embryological marvels?
Video: EP10 Tus Najnpawb 666 Yog Dabtsi 2024, Hlis ntuj nqeg
Anonim

Teb: Paj yog lub cev ntawm kev sib deev hauv cov nroj tsuag. … Yog li, lawv raug hu ua morphological marvels ntawm cov nroj tsuag. Embryologically lawv yog qhov chaw ntawm kev yug me nyuam.

Puas suav tias yog morphological thiab embryological Marvel?

(1) Pajyog qhov morphological thiab embryological marvel.

Vim li cas emasculation tsis ua tiav hauv paj tsis sib xws?

Hint: Emasculation yog txheej txheem, qhov twg cov stamens lossis anthers raug tshem tawm, thiab paj ntoos nplej tsis raug tso cai nkag mus rau hauv cov poj niam cev xeeb tub los tiv thaiv fertilization, lub hom phiaj tseem ceeb ntawm emasculation yog los tiv thaiv tus kheej-pollination ntawm paj. …

Pab twg yog lub paj siab tshaj?

Amophophallus titanum (tseem hu ua titan arum) yog paj supersized los ntawm rainforests ntawm Sumatra uas tuaj yeem sawv siab dua 3 m (9 ft 10 hauv) tawm hauv av, ua nws lub paj siab tshaj plaws hauv ntiaj teb.

Yuav ua li cas los ntawm stamen?

Stamen: Lub paj paj tsim ib feem ntawm lub paj, feem ntau muaj cov hlua khi uas txhawb nqa lub anther. Anther: Ib feem ntawm cov stamens uas paj ntoos raug tsim. Pistil: Lub ovule tsim ib feem ntawm lub paj. Lub zes qe menyuam feem ntau txhawb nqa ntev ntev, topped los ntawm stigma.

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