Gametophyte ntawm Porella: Lub qia yog pinnately branched nrog nploojteem rau peb kab, ob sab dorsal thiab ib lub ventral. … Nws yuav tsum tau muab sau tseg tias qhov twg branching tshwm sim, cov ceg hloov lub qis lobes ntawm lub lateral nplooj.
Puas Porella yog dioecious?
Porella is
dioecious . Txiv neej gametophytes yog qhov sib piv me dua li poj niam gametophyte.
YPuas Porella haploid lossis diploid?
Nws yog diploid tiam. Sporophyte muaj peb ntu: ko taw, seta thiab capsule. Haploid spores yog tsim nyob rau hauv lub capsule los ntawm meiosis.
Archegonial ceg yog dab tsi?
Cov ceg archegonial sawv tom qab ntawm lub hauv paus ntawm tus txiv neej ceg. Achegonia tau yug los nyob rau hauv pawg ntawm apex ntawm cov ceg no.
YPuas Porella yog nplooj nplooj siab?
Porella tsuas yog genus ntawm tsev neeg prellaceae, loj hlob hauv thaj chaw huab cua thiab huab cua sov, feem ntau hauv toj. Tag nrho ntawm 184 hom tau raug txheeb xyuas. Lawv loj hlob nyob rau hauv qhov chaw moist, ntxoov ntxoo, ntawm cov ntoo tawv ntoo, pob zeb, thiab lwm yam.