Dab tsi yog qhov zoo sib xws ntawm mosses thiab ferns?
Dab tsi yog qhov zoo sib xws ntawm mosses thiab ferns?

Video: Dab tsi yog qhov zoo sib xws ntawm mosses thiab ferns?

Video: Dab tsi yog qhov zoo sib xws ntawm mosses thiab ferns?
Video: Qhov tsis zoo thiab zoo ntawm cov zaub mov ntsim 22 Sep 2017 2024, Kaum ib hlis
Anonim

(i) Mosses tsis muaj vascular cov ntaub so ntswg whereas ferns muaj vascular ntaub so ntswg. (ii) Mosses yog gametophyte tseem ceeb nyob qhov twg ferns yog sporophyte dominant. (iii) Mosses muaj cais txiv neej thiab poj niam gametophytes whereas gametophyte ntawm ferns muaj ob tus txiv neej thiab poj niam qhov chaw ntawm tib tsob nroj.

Hauv qhov no, dab tsi yog mosses thiab ferns muaj sib xws?

Nonflowering Nroj Tsuag Los tsim kev sib deev, mosses thiab ferns tsim phev thiab qe. Ferns tsim spores ntawm nraub qaum ntawm lawv cov fronds nyob rau hauv rooj plaub hu ua sporangia. Mosses tsim spores hauv cov tshuaj ntsiav uas tau yug los ntawm qhov kawg ntawm stalks.

Kuj Paub, nyob rau hauv txoj kev twg mosses thiab club mosses txawv ntawm ib leeg nyob rau hauv dab tsi lawv zoo sib xws? Ferns tso spores rau hauv lawv ib puag ncig thiab lawv xav tau dej rau cov spores kom rov tsim dua. Mosses thiab club mosses txawv ntawm ib leeg li cas? Club mosses yog hom fern thiab yog cov nroj tsuag vascular thiab moss yog nonvascular.

Qhov thib ob, cov ferns zoo li mosses li cas?

Lub gametophyte tseem ceeb yog mos txwv , tab sis sporophyte tseem ceeb hauv ferns . Lub sporophyte ntawm ferns yog txawv rau cov nplooj, qia, thiab cov hauv paus hniav. Hauv kev sib piv, mos txwv tsis muaj tseeb nplooj, qia los yog cag. Ferns yog vascular nroj tsuag, tab sis mos txwv tsis yog.

Yuav ua li cas ferns txawv ntawm mosses quizlet?

Lawv tsis muaj cov ntaub so ntswg vascular. mos txwv tsis muaj cov leeg nqaij, ferns ua.

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