Lub nceeg vaj ntawm cov nroj tsuag: piv txwv, yooj yim systematic pawg thiab cov yam ntxwv ntawm lawv cov qauv

Piv systematic pawg tsob nroj lub nceeg vaj, muab piv txwv ntawm cov kab mob, qhia kom meej qhov nta ntawm lawv cov vaj tse ... Yog hais tias koj muaj teeb meem nrog rau cov kev siv ntawm cov kev pab raws qib, peb tsab xov xwm yuav pab koj to taub qhov teeb meem no.

Tej yam tshwm sim ntawm cov nroj tsuag nceeg vaj

Tag nrho cov muaj tus kab mob uas nyob hauv lub ntiaj teb, zaum tau tuaj koom nyob rau hauv lub nceeg vaj ntawm qhov. Nroj tsuag, piv txwv uas peb yuav sib tham txog nyob rau hauv no tsab xov xwm, muaj lawv tus kheej yus nta. Ua ntej ntawm tag nrho cov, nws yog autotrophic txoj kev ntawm kev noj mov. Tsuas yog cov nroj tsuag muaj peev xwm sawv ua organic tshuaj thiab cov pa los ntawm cov dej thiab cov pa roj carbon dioxide nyob rau hauv lub xub ntiag ntawm tshav ntuj. Qhov chaw nyob qhov twg lub photochemical no complex hu ua photosynthesis, yog ntsuab tsob nroj cell organelles - chloroplasts.

Cov yam ntxwv nta ntawm cov tswv cuab ntawm lub nceeg vaj no txuas txoj kev ua neej, unlimited kev loj hlob, uas tseem thoob plaws lub neej, thiab muaj cov carbohydrate cov hmoov txhuv nplej raws li seev cev as.

cog systematics

Systematic nrhiav ntawm lub nceeg vaj ntawm cov nroj tsuag, piv txwv uas yuav muab suav hais tias los ntawm peb ntxiv lawm, yog raws li nyob rau hauv lub dav dav qauv ntawm lub cim qhia. Chiv, lawv cov chav ua ob pawg: qis thiab siab dua. thawj lub cev yog tsim ntawm ntau tshwj xeeb hlwb, uas tsis tsim ntaub so ntswg, hu ua thallus. Ib tug ntau dua muaj ib tug complex qauv ntawm daim nplooj thiab kav.

qis nroj tsuag

Qhov no yog feem ntau yooj yim cov kab mob uas sawv cev rau lub nceeg vaj ntawm cov nroj tsuag. Piv txwv ntawd yog lub npe hu mus rau tag nrho. Qhov no kelp, los yog seaweed, sorgassum, chlamydomonas, ulothrix, Volvox, Spirogyra. Ntawm lawv yog cov ib, multicellular thiab colonial kab mob. Tag nrho cov ntawm lawv nyob rau hauv dej. Sib nrug los ntawm lub thallus uas yog undifferentiated lub cev ntawm algae, lawv muaj rhizoids. Cov lug yog tej ua cov kev ua ntawm cov keeb kwm, tab sis tsis tsim ntaub so ntswg tshaj, thiab txawv los ntawm lawv. Raws li cov dej nws tus kheej txhawb ib daim ntawv ntawm thallus, algae yog tsis muaj cov neeg kho tshuab cov ntaub so ntswg.

ntau dua cov nroj tsuag

Nroj tsuag uas ua tau tiag tiag ntaub so ntswg thiab kabmob, yog hu ua dua. Lawv thawj cov neeg sawv cev uas tuaj tawm ntawm cov dej mus rau lub teb chaws, yog cov neeg sawv cev ntawm lub spore. Nws Mosses, qws mosses, horsetails thiab ferns. Es tsis txhob rhizoids ib co ntawm lawv tshwm sim fibrous paus system, uas tsub kom lub beam rau ib tug hloov underground kev khiav. Lawv cov me nyuam los ntawm txoj kev asexual tu tub tu kiv ntawm hlwb - noob. Lwm feature yog lub alternation ntawm tiam nyob rau hauv lawv lub neej voj voog. Ntau yooj yim mus nrhiav tau cov noob nroj tsuag, nws tau muab lawv lub sij hawm rau thawj lub ntiaj chaw.

Lub nceeg vaj ntawm cov nroj tsuag: piv txwv thiab cais

Hais tawm siv noob muab cov nroj tsuag feem ntau yuav kom ciaj sia nyob rau hauv cov nyom tej yam kev mob nyob. Xav txog cov piv txwv ntawm tshwj xeeb conifers. Lawv yog cov neeg sawv cev ntawm lub Department of Gymnosperms. Lawv cov yam ntxwv feature yog lub xub ntiag ntawm nyias nplooj thiab koob ntawm cob ducts nyob rau hauv lub pob tw. Ib tug striking - qhov chaw ntawm cov noob nyob rau hauv lub khob hliav qab nplai liab qab los yog qhib. Li no lub npe ntawm lawv. Ntawm cov hoob kawm, ua nyob rau hauv uas tsis muaj kub los yog tsis muaj dej, lawv tsis tag nrho cov yuav ciaj sia. Tab sis, nyob rau hauv sib piv rau cov teeb meem, lub noob yog multicellular lug thiab muaj ib tug spare cov as-ham - endosperm.

Nyob rau hauv ib qho kev ntau zoo txoj hauj lwm yog angiosperms. Lawv tsim lub paj thiab lub txiv hmab txiv ntoo, uas yog txoj kev loj hlob thiab maturation ntawm noob. Qhov no qauv ua hauj lwm pab ib tug ntxiv tiv thaiv, ib qhov chaw ntawm tshav kub thiab lub hwj chim. Angiosperms department combines ob chav kawm: One-thiab Dicotyledons. Cov yav tas los muaj ib zaug xwb cotyledon nyob rau hauv lub embryo, fibrous paus system, yooj yim linear nplooj. Cov muaj xws li cov tsev neeg ntawm cereals, dos thiab Liliaceae. Tag nrho cov ntawm lawv yog cov herbaceous nroj tsuag vim tsis muaj cambium - lub sab ntawm cov kev kawm ntaub. Ntau ntau yam thiab heev heev bipartite. Sib nrug los ntawm tus xov tooj ntawm cotyledons distinguishes lawv taproot system, ob leeg complex thiab yooj yim nplooj, lub xub ntiag ntawm lub cambium. Cov lawv tseem muaj tshuaj ntsuab thiab shrubs, thiab cov ntoo. Lawv yog cov feem ntau lug tsob nroj lub Nceeg Vaj. Piv txwv ntawm feem ntau - yog Rosaceae, Zaub pob, Solanaceae, Asteraceae, taum.

Tus nqi ntawm cov neeg sawv cev ntawm cov nroj tsuag nceeg vaj

Tus nqi ntawm tag nrho cov neeg sawv cev ntawm cov nroj tsuag yog nyuaj rau overestimate, vim hais tias lawv muab tag nrho cov nyob yam tsim nyog mob rau lub neej - oxygen. Algae yog cov pib cov ntaub ntawv uas rau zus tau tej cov biologically active tshuaj, tshuaj, khoom noj khoom haus additives thiab dyes. Gymnosperms paub rau lub xub ntiag ntawm volatile qhuav thiab tseem ceeb ntoo. Tus txiv neej noj txiv hmab txiv ntoo thiab qhov chaw ntawm flowering nroj tsuag.

Yog li, lub nceeg vaj ntawm cov nroj tsuag, piv txwv thiab systematic nta uas raug xam tias yog nyob rau hauv no tsab xov xwm, txawv leej hierarchy ntawm txoj kev loj hlob, ntau haiv neeg thiab ua ib tug tseem ceeb heev luag hauj lwm nyob rau hauv lub neej ntawm lub ntiaj chaw.