Tus "nplooj" moss koj taug kev hauv hav zoov yog gametophyte tiam ntawm cov nroj tsuag(Daim duab 20.2). Mosses yog heterosporous, uas txhais tau hais tias lawv ua ob hom spores; cov no loj hlob mus rau txiv neej thiab poj niam gametophytes.
Puas ntsuab moss yog gametophyte?
Nyob hauv mosses, theem tseem ceeb yog haploid tiam (gametophyte). Qhov no txhais tau hais tias cov nplooj ntsuab, nplooj gametophytic cov ntaub so ntswg yog haploid (muaj tsuas yog ib txheej ntawm chromosomes).
Puas moss muaj gametophyte dominant?
Nyob hauv cov nroj tsuag qub tshaj plaws, zoo li mosses, the gametophyte yog dominant (piv txwv li nws loj thiab ntsuab). Hauv cov nroj tsuag siab dua li ferns thiab fern cov phooj ywg, cov theem sporophyte yog qhov tseem ceeb.
Moss suav hais tias yog dab tsi?
Mosses yog cov nroj tsuag tsis muaj paj uas tsim cov spores thiab muaj stems thiab nplooj, tab sis tsis muaj keeb kwm tseeb. Mosses, thiab lawv cov kwv tij cov kwv tij livorts thiab hornworts, raug cais raws li Bryophyta (bryophytes) nyob rau hauv lub nceeg vaj cog.
Muss yog qhov zoo?
Moss ua raws li kev tiv thaiv kev yaig zoo thiab pab khaws cov dej noo thiab cov as-ham hauv av. Aesthetically, mosses ntxiv ib qho kev zoo nkauj rau cov nyom thiab vaj chaw, feem ntau sau rau hauv qhov chaw tsis muaj av uas me me yuav loj hlob (Daim duab 3).
