Thallophytes, bryophytes thiab pteridophytes tsis muaj cov yam ntxwv no thiab yog li tsis rov tsim dua los ntawm kev tsim cov noob. Fern thiab Funaria belongs rau pteridophytes thiab bryophytes raws li lawv tsis rov tsim dua los ntawm kev tsim cov noob.
Pab pawg twg yog Spermatophyta?
Cov Spermatophyta, spermatophytes lossis phanerogams yog ib pab pawg ntawm lub nceeg vaj ntawm cov nroj tsuag uas suav nrog tag nrho cov zaub vascular thiab lawv cov noob qoob loo. Raws li rau lub npe scientific, nws muaj nws keeb kwm nyob rau hauv Greek.
Peb chav Spermatophyta yog dab tsi?
Cov chav kawm ntawm Spermatophyta yog Ginkgoopsida, Cycadopsida, Pinopsida, Gnetopsida, thiab Angiospermae. Ginkgoopsida tsuas yog ib hom; Ginkgo los yog tsob ntoo maidenhair (Ginkgo biloba).
Ob hom Spermatophytes yog dab tsi?
Spermatophytes muab faib ua gymnosperms thiab angiosperms. Lub npe Angiosperms los ntawm Greek lo lus: angeion, "vase", thiab phev, "cov noob".
Tus yam ntxwv ntawm spermatophyta yog dab tsi?
yam ntxwv
- Lawv yog paj bears thiab feem ntau yog bisexual.
- Cov noob yog nyob rau hauv lub zes qe menyuam uas loj hlob mus rau hauv cov txiv hmab txiv ntoo.
- Xylem muaj tracheids thiab hlab ntsha thaum phloem muaj cov hlwb ua ke.
- Lawv nthuav tawm ob zaug fertilization.
