Qhov sib txawv tseem ceeb ntawm cov kab mob photosynthetic thiab cov kab mob chemosynthetic yog cov kab mob photosynthetic tau txais lub zog los ntawm lub hnub ci thiaj li tsim cov carbohydrates thaum cov kab mob chemosynthetic tau txais lub zog los ntawm oxidation ntawm cov tshuaj inorganic thiaj li tsim cov carbohydrates.
Cov kab mob tuaj yeem raug cais raws li lawv hom kev noj haus. Autotrophs thiab heterotrophs yog ob yam tseem ceeb. Autotrophs tuaj yeem tsim lawv tus kheej cov zaub mov thaum heterotrophs nyob ntawm lwm yam kab mob rau cov khoom noj vim lawv tsis tuaj yeem tsim lawv cov zaub mov. Txhawm rau tsim lawv tus kheej cov zaub mov lossis carbohydrates, autotrophs siv ob txoj haujlwm tseem ceeb: photosynthesis thiab chemosynthesis.
Photosynthesis yog siv los ntawm lub zog ntawm lub hnub thaum chemosynthesis yog siv los ntawm lub zog tau los ntawm oxidation ntawm cov tshuaj sib txuas, feem ntau yog cov tshuaj inorganic. Muaj cov kab mob photosynthetic thiab cov kab mob chemosynthetic. Cov kab mob Photosynthetic tsim cov zaub mov los ntawm photosynthesis thaum cov kab mob chemosynthetic tsim zaub mov los ntawm lub zog tau los ntawm cov tshuaj tawg.
Photosynthetic Bacteria yog dab tsi?
Cov kab mob Photosynthetic yog ib pawg kab mob hu ua cyanobacteria lossis xiav-ntsuab algae uas tuaj yeem tsim cov carbohydrates los ntawm photosynthesis. Yog li ntawd, lawv yog photoautotrophs. Lawv muaj cov xim pleev xim sib txawv xws li chlorophyll-a, phycobilin thiab phycoerythrin. Yog li, cov kab mob no tseem hu ua prokaryotic autotrophs. Photosynthesis tshwm sim hauv plasma daim nyias nyias ntawm cyanobacteria.
Cyanobacteria yog cov kab mob unicellular filamentous. Qee zaum lawv muaj xws li cyanobacterial blooms thiab. Qhov loj ntawm cyanobacteria txawv ntawm 0.5 - 60 µm. Lawv feem ntau pom nyob rau hauv cov dej tsis qab thiab nyob rau hauv cov av ntub dej. Cyanobacteria reproduce ntawm binary fission. Nws yog lub ntsiab mechanism ntawm cyanobacterial cell proliferation thiab reproduction. Txawm li cas los xij, qee hom tau tawg thiab ntau qhov sib cais.
Daim duab 01: Cyanobacteria
Ntxiv rau lawv lub peev xwm photosynthetic, cyanobacteria tuaj yeem kho cov pa nitrogen hauv huab cua. Lawv muaj cov qauv tshwj xeeb hu ua heterocyst uas muaj peev xwm kho nitrogen los ntawm huab cua. Cyanobacterial hom xws li Anabaena thiab Nostoc yog nrov li nitrogen-fixing cyanobacteria.
Dhau li ntawm, cyanobacteria tau dav siv los ua cov khoom noj khoom haus vim muaj cov khoom noj muaj txiaj ntsig ntawm qee hom (Spirulina, Cholerella). Tsis tas li ntawd, qee hom siv los ua inoculants hauv kev tsim cov txheej txheem biofertilizers. Cyanobacteria kuj ua raws li tus khub tseem ceeb hauv ntau txoj kev sib raug zoo. Lichen yog ib qho tseem ceeb xws li kev sib cuam tshuam ntawm cov kab mob fungi thiab cyanobacteria. Lichens tseem ceeb heev hauv kev ua liaj ua teb.
Txawm hais tias muaj ntau yam cuam tshuam zoo, cyanobacteria tsub zuj zuj tuaj yeem ua rau eutrophication hauv cov dej, ua rau lawv muaj kuab paug loj hauv dej. Yog li ntawd, cyanobacteria kuj ua raws li qhov ntsuas ntawm dej paug.
Chemosynthetic Bacteria yog dab tsi?
Cov kab mob Chemosynthetic yog ib pawg ntawm cov kab mob uas tuaj yeem tsim lawv tus kheej cov zaub mov los ntawm lub zog tau los ntawm oxidation ntawm inorganic tshuaj. Lawv kuj yog ib pawg ntawm autotrophs. Qhov tseeb, lawv yog chemoautotrophs. Tsis zoo li cov kab mob photosynthetic, lawv tsis tuaj yeem nqa tawm photosynthesis lossis cuab zog los ntawm tshav ntuj. Tab sis lawv tuaj yeem tsim cov carbohydrates los ntawm CO2 thiab H2O los ntawm lub zog ntawm cov tshuaj lom neeg tawg. Yog li ntawd, lawv tsis xav tau lub hnub ci lossis cov xim xim. Lawv siv lub zog tso tawm los ntawm oxidation ntawm inorganic compounds los tsim carbohydrates.
Daim duab 02: Cov kab mob Chemosynthetic
Ntau hom kab mob chemosynthetic siv cov khoom siv sib txawv. Piv txwv li, cov kab mob chemosynthetic uas nyob hauv hydrothermal vents oxidize hydrogen sulfide kom tau txais lub zog rau kev tsim khoom noj. Qee lwm cov kab mob oxidize methane los tsim lub zog thaum qee cov siv nitrites lossis hydrogen gas los tsim khoom noj. Ntxiv mus, qee cov kab mob tau txais lub zog los ntawm leej faj thaum qee qhov tau txais lub zog los ntawm hlau. Ib yam li ntawd, cov kab mob chemosynthetic sib txawv siv cov tshuaj inorganic sib txawv kom tau txais lub zog.
Dab tsi zoo sib xws ntawm Photosynthetic thiab Chemosynthetic Bacteria?
- Ob qho tib si cov kab mob photosynthetic thiab chemosynthetic muaj nyob rau ntawm Kingdom Bacteria.
- Lawv muaj lub koom haum prokaryotic cellular.
- Ntxiv rau, lawv yog autotrophs uas tuaj yeem tsim lawv tus kheej cov zaub mov.
Qhov txawv ntawm Photosynthetic thiab Chemosynthetic Bacteria yog dab tsi?
Cov kab mob Photosynthetic nqa tawm photosynthesis thiab tsim lawv tus kheej cov zaub mov, siv lub zog los ntawm tshav ntuj. Lub caij no, cov kab mob chemosynthetic nqa tawm chemosynthesis thiab tsim lawv tus kheej cov zaub mov, tau txais lub zog los ntawm oxidation ntawm inorganic tshuaj. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm cov kab mob photosynthetic thiab chemosynthetic.
Ntxiv mus, cov kab mob photosynthetic nyob hauv qhov chaw uas muaj hnub ci thaum cov kab mob chemosynthetic nyob hauv qhov chaw uas tsis muaj hnub ci. Tsis tas li ntawd, lwm qhov sib txawv ntawm cov kab mob photosynthetic thiab cov kab mob chemosynthetic yog cov kab mob photosynthetic muaj pigments los cuab lub hnub ci thaum cov kab mob chemosynthetic tsis muaj pigments.
Cov hauv qab no qhia txog qhov sib txawv ntawm cov kab mob photosynthetic thiab chemosynthetic.
Summary – Photosynthetic vs Chemosynthetic Bacteria
Cov kab mob Photosynthetic yog ib pawg kab mob uas tuaj yeem tsim lawv cov zaub mov los ntawm photosynthesis. Lawv kuj hu ua cyanobacteria. Lub caij no, cov kab mob chemosynthetic yog ib pawg ntawm cov kab mob uas ua rau chemosynthesis thiaj li tsim lawv cov zaub mov. Hauv luv luv, cov kab mob photosynthetic siv lub zog los ntawm lub hnub ci rau kev tsim cov carbohydrate, thaum cov kab mob chemosynthetic tau txais lub zog los ntawm oxidation ntawm cov tshuaj inorganic xws li sulfur, hydrogen sulfide, methane, thiab lwm yam. Yog li, qhov no qhia txog qhov sib txawv ntawm cov kab mob photosynthetic thiab chemosynthetic.
