Video: Lichen tawg pob zeb li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Biological huab cua yog qhov tseeb molecular kev tawg ntawm minerals. Nyob ntawd yog yam hu ua lichens (kev sib xyaw ntawm fungi thiab algae) uas nyob rau pob zeb . Lichens maj mam noj tam sim ntawm qhov chaw pob zeb . Tus nqi ntawm cov khoom siv roj ntsha uas tawg minerals nyob ntawm seb muaj pes tsawg lub neej yog nyob rau thaj tsam ntawd.
Ntawm no, lichens ua dab tsi rau pob zeb?
Txij li thaum lichens yog cov thawj cov nroj tsuag loj hlob ntawm liab qab pob zeb , lawv ua lub luag haujlwm hauv av tsim los ntawm maj mam etching pob zeb nto. Microscopic pob zeb fragments intermeshed nrog cov lichen ua loosened los ntawm expansion thiab contraction, raws li cov lichen yog alternately moistened thiab qhuav.
Kuj Paub, dab tsi lichen decompose? Fungi yog dav paub rau lawv lub luag hauj lwm nyob rau hauv lub decomposition ntawm cov organic. Lichens yog lwm txoj kev koom tes rau cov kab mob kom tau txais cov as-ham los ntawm lwm cov kab mob. Tus khub algal photosynthesizes thiab muab zaub mov rau cov fungus, yog li nws tuaj yeem loj hlob thiab kis tau.
Kuj paub, puas lichen noj pob zeb?
Tib neeg tsis feem ntau noj lichens vim lawv nyuaj rau zom. Lichens kuj ua lub luag haujlwm tseem ceeb ntawm ib puag ncig. Lawv colonize liab qab pob zeb thiab tom qab ntawd secrete acids rau noj ntawm pob zeb , tso lub hauv paus rau cov nroj tsuag uas yuav tuaj tom qab. Lawv kuj nce lub fertility ntawm av.
Kev khov khov cuam tshuam li cas rau pob zeb?
Dej seeps rau hauv cov kab nrib pleb pob zeb , khov , ces expands (vim cov dej khov occupies ib me ntsis loj dua li dej kua). Qhov kev nthuav dav no thawb ob sab ntawm cov kab nrib pleb ntxiv. Pob zeb tuaj yeem maj mam tawg los ntawm lub tshuab hu ua khov -thaw weathering, los yog lwm yam, Frost wedging.
Pom zoo:
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