2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Qhov tob tshaj plaws ntawm dej hiav txwv, Challenger Deep (hauv Mariana Trench, nyob rau sab hnub poob Pacific Dej hiav txwv), yog li 11,000 m (kwv yees 6.8 mi) tob. Txhawm rau muab qee qhov kev xav ntawm qhov tob ntawm qhov trench no, dej hiav txwv yog, qhov nruab nrab, 4267 m lossis 14,000 ft tob.
7 dej ecosystems yog dab tsi?
Aquatic Ecosystems and Watersheds
Aquatic ecosystems include oceans, pas dej, dej, kwj, estuaries, thiab wetlands.
3 qhov dej hiav txwv loj yog dab tsi?
Cov ntug dej hiav txwv, dej hiav txwv, pas dej, thiab ntug hiav txwv estuaries yog tag nrho cov dej ecosystems-cov ntsiab lus tseem ceeb ntawm lub ntiaj teb cov txheej txheem dynamic thiab tseem ceeb rau tib neeg kev lag luam thiab kev noj qab haus huv. Wetlands txuas av thiab dej, ua raws li ntuj lim, txo cov pa phem, tswj dej nyab, thiab ua chaw zov me nyuam rau ntau hom dej.
Dab tsi yog hauv qab ntawm cov dej ecosystem?
Layers. Cov txheej hauv cov dej hauv dej muaj xws li cov khoom siv ntawm hauv qab ntawm lub cev dej, feem ntau xuab zeb, pob zeb lossis av nkos. Tom ntej no yog cov dej nws tus kheej, uas tuaj yeem yog dej tshiab lossis dej ntsev thiab zoo li qub lossis txav mus. Piv txwv li ib tug dej ntws tab sis ib tug swamp nyob twj ywm thiab tsis txav.
hom dej ecosystem twg yog biodiversity tshaj plaws?
Aquatic biodiversity is greatest in tropical latitudes. Piv txwv li, kwv yees li 3,000 hom ntses muaj nyob hauv Amazon River ib leeg. Coralcov chaw nyob reef kuj muaj biodiversity siab heev; ze li ntawm ib feem peb ntawm tag nrho cov paub marine hom muaj nyob rau hauv coral reefs.
Pom zoo:
Puas muaj dej tob tob?
Zoo li ntau cov yeeb yaj kiab uas tau tua thoob plaws xyoo tas los no, Dej Dej tau ntsib teeb meem kev tsim khoom ua ntej nws thaum kawg qhwv. … Hais tias, thaum dej tob yog ua tiav, peb yuav tsum tos rau lub hlis ntxiv ua ntej nws tso rau hauv theatre.
Pas dej tob tob npaum li cas?
Ntawm lub pas dej Dows muaj dej tob tsawg 5 feet. Puas yog Dows Lake txiv neej tsim? Dow's Lake, lub tsev ntawm cov nkoj hauv tsev, cov nkoj nquam nkoj, paddleboats thiab qhov chaw nres tsheb zoo nkauj raws Rideau waterway, yog pas dej uas neeg tsim.
Lub qhov tob tob tob npaum li cas?
Ib daim ntaub tob tob yuav raug nqi nruab nrab ntawm $ 90 thiab $ 110 ib zaug. Tus nqi ntawm qhov zaws yuav nyob ntawm lub sijhawm, tus nqi mus ncig, kev paub ntawm tus kws kho mob zaws, thiab ntxiv-ons xws li kev kho pob zeb kub lossis aromatherapy.
Tshaj tawm qhov tob tob tsim li cas?
Tshaj eons lub cov xuab zeb loj loj tau cog lus thiab cemented rau hauv pob zeb, hu ua sandstone. Tom qab ntawd, nyob rau hauv qhov kub thiab txias ntawm lub roob, cov xuab zeb tau hloov mus ua quartzite. Tus dej Tallulah, ntws mus rau tus dej Savannah, carved feem ntau ntawm cov gorge los ntawm quartzite ntau lab xyoo.
Yuav tsum tshaj tawm qhov khawb qhov tob tob?
Yog tias koj lub cuab yeej siv lub qhov ntxaum tsis nkag mus tob lossis txiav cov av yooj yim li nws tau ua thaum nws tseem tshiab, nws yog lub sijhawm los ua kom cov hniav. Koj yuav tsum khaws cov hniav ntawm tag nrho koj cov cuab yeej ntse ntsekom lawv ua haujlwm tau zoo thiab kav ntev dua.
