Video: Dab tsi yog cov yam ntxwv tseem ceeb ntawm conifers?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Conifers : Conifers yog cov ntoo los yog tsob ntoo uas yooj yim, feem ntau koob zoo li los yog nplai zoo li nplooj uas yog hloov los yog yug hauv pawg ntawm luv spur-shoots. Lawv yog cov noob nroj tsuag tab sis cov noob tsis nyob hauv ib lub txiv hmab txiv ntoo tab sis tau yug los ntawm cov ntoo cones. Ntau yam yog cov ntoo ntoo tseem ceeb.
Ib yam li ntawd, koj tuaj yeem nug, dab tsi yog cov yam ntxwv ntawm conifers?
Cov Cov yam ntxwv ntawm conifers yog ib tsob ntoo evergreen bearing Pine koob thiab cones uas tuav cov noob rau kev loj hlob. Paub zoo conifers yog cov nyiam spruce, Scots ntoo thuv, cedar thiab redwood, tab sis muaj 588 hom. conifers uas loj hlob thoob plaws ntiaj teb no feem ntau yog temperate climate lovers.
Ib yam li ntawd, hom conifers yog dab tsi? Conifers Cordaitopsida Taxopsida
Yog li ntawd, conifers muab dab tsi?
Lo lus ' conifer ' yog Latin rau 'cone bearing' vim conifers tsim cones nyob rau hauv uas lawv tsim pollen (txiv neej cone) thiab loj hlob noob (poj niam cone). Conifers yog tag nrho cov ntoo ntoo, feem ntau cov ntoo ntxiv rau ob peb hom shrubby, lawv muaj cov nplooj zoo li rab koob lossis nplai zoo li nplooj thiab feem ntau hom yog evergreen.
Dab tsi yog qhov tshwj xeeb ntawm cov ntoo coniferous?
Feem ntau conifers muaj cov nplooj zoo li rab koob, ntoo , spruce thiab larch. Qee qhov, xws li cedar, cypress thiab juniper ntoo , muaj scale-zoo li nplooj thiab tsis tso ib tug neeg nplooj, tab sis poob luv ceg bearing ib los yog ntau xyoo kev loj hlob. Feem ntau conifers muaj cov noob nyob rau saum npoo ntawm lawv cov nplai, tsim cov noob cones.
Pom zoo:
Cov yam ntxwv ntawm lub cev tseem ceeb yog dab tsi?
Tag nrho cov yam ntxwv ntawm lub cev lossis thaj av muaj xws li cov ntsiab lus zoo xws li berms, mounds, toj, ridges, cliffs, valleys, dej ntws, ceg av qab teb, volcanoes, thiab ntau lwm yam qauv thiab loj-scaled (xws li pas dej vs. pas dej, toj vs. roob) cov ntsiab lus suav nrog ntau yam hauv dej thiab dej hiav txwv dej hiav txwv thiab sub
Dab tsi yog cov yam ntxwv tseem ceeb ntawm nitrogen voj voog?
Lub voj voog nitrogen yog cov txheej txheem uas nitrogen hloov pauv ntawm nws cov ntaub ntawv ntau yam tshuaj. Qhov kev hloov pauv no tuaj yeem ua tiav los ntawm cov txheej txheem lom neeg thiab lub cev. Cov txheej txheem tseem ceeb hauv lub voj voog nitrogen muaj xws li fixation, assimilation, ammonification, nitrification, thiab denitrification
Dab tsi yog cov yam ntxwv tseem ceeb ntawm hav zoov?
Lub hav zoov hav zoov hav zoov hav zoov muaj plaub yam tseem ceeb: dej nag ntau xyoo, qhov nruab nrab kub siab, cov av tsis zoo, thiab qib siab ntawm biodiversity (hom kev nplua nuj). Rainfall: Lo lus "rainforest" txhais tau hais tias cov no yog qee qhov ntawm lub ntiaj teb cov ecosystems ntub dej
Dab tsi yog qhov tseem ceeb tshaj plaws uas yuav tsum muaj rau cov kua dej ntws hauv cov kav dej Dab tsi lwm yam cuam tshuam rau cov dej ntws?
Thaum ib qho kev quab yuam sab nraud yog exerted rau ntawm cov kua uas muaj, qhov tshwm sim siab yog kis sib npaug thoob plaws hauv cov kua. Yog li txhawm rau kom dej ntws, dej xav tau qhov sib txawv siab. Cov kav dej kuj tuaj yeem cuam tshuam los ntawm cov kua dej, cov yeeb nkab loj, qhov kub thiab txias (cov kav dej khov), cov kua dej ntom ntom
Dab tsi yog cov yam ntxwv tseem ceeb ntawm cov nroj tsuag ib txwm muaj?
Cov ntsiab lus cog hlwb muaj cov phab ntsa ntawm tes, lub hauv paus loj vacuole, thiab plastids xws li chloroplasts. Lub cell phab ntsa yog ib txheej nruj uas pom sab nraum lub cell membrane thiab nyob ib puag ncig ntawm tes, muab kev txhawb nqa thiab kev tiv thaiv. Lub hauv paus vacuole tswj turgor siab tiv thaiv phab ntsa ntawm tes