Puas yog liverwort yog cov nroj tsuag vascular?
Puas yog liverwort yog cov nroj tsuag vascular?

Video: Puas yog liverwort yog cov nroj tsuag vascular?

Video: Puas yog liverwort yog cov nroj tsuag vascular?
Video: pua yog tim aib pog ntawv by zoo siab paj vuam sonie cover 2024, Kaum ib hlis
Anonim

Liverworts . Liverworts yog ib pab pawg uas tsis yog cov nroj tsuag vascular zoo ib yam li mosses. Lawv txawv deb rau feem ntau nroj tsuag peb feem ntau xav txog vim lawv tsis tsim cov noob, paj, txiv hmab txiv ntoo lossis ntoo, thiab txawm tias tsis muaj hlab ntsha ntaub so ntswg. Hloov cov noob, kab mob siab tsim spores rau kev yug me nyuam.

Tib neeg kuj nug, puas yog lub cev nqaij daim tawv tsis muaj kab mob?

Cov nroj tsuag tsis muaj vascular , tseem hu ua bryophytes, yog me me, yooj yim nroj tsuag tsis muaj vascular system. Lawv muab faib ua peb hom, xws li mosses, kab mob siab , thiab hornwort. Lawv tuaj yeem tsim tau ob qho tib si kev sib deev thiab asexually, uas ua rau lub neej me me cog yooj yim me ntsis.

Kuj Paub, ua li cas koj thiaj paub yog tias tsob ntoo muaj vascular? Lwm qhov sib txawv yog qhov tsis muaj vascular cog tsis muaj cag zoo li ib vascular cog ua. Es tsis txhob, ib tug nonvascular cog muaj rhizoids, cov plaub hau me me uas khaws cov cog nyob rau hauv qhov chaw. A vascular nroj tsuag cov hauv paus hniav muab kev txhawb nqa thiab tseem nqus dej los ntawm thaj chaw ib puag ncig cog.

Cov lus nug tseem yog, Nyom puas yog tsob ntoo vascular?

Tsob ntoo, shrubs, nyom , paj nroj tsuag , thiab ferns yog tag nrho cov nroj tsuag vascular ; tsuas yog hais txog txhua yam uas tsis yog moss, algae, lichen, lossis fungus (nonvascular nroj tsuag ) yog hlab ntsha . Tsis muaj vascular nroj tsuag nqus dej los ntawm daim nyias nyias es tsis yog cov hauv paus hniav, txawm hais tias ob peb mosses thiab liverworts muaj qhov zoo sib xws hlab ntsha cov qauv.

Ib puag ncig zoo li cas cov nroj tsuag uas tsis muaj vascular nyob hauv?

Tsis zoo li angiosperms, cov nroj tsuag tsis vascular ua tsis tsim paj, txiv hmab txiv ntoo, lossis noob. Lawv kuj tsis muaj tseeb nplooj, cag, thiab stems. Cov nroj tsuag tsis muaj vascular feem ntau tshwm li me me, ntsuab mats ntawm cov nroj tsuag pom nyob rau hauv damp chaw nyob . Qhov tsis muaj vascular cov ntaub so ntswg txhais tau tias cov no nroj tsuag yuav tsum nyob twj ywm hauv moist ib puag ncig.

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