Kev sib cuam tshuam ntawm chthamalus thiab balanus yog dab tsi?

Cov txheej txheem:

Kev sib cuam tshuam ntawm chthamalus thiab balanus yog dab tsi?
Kev sib cuam tshuam ntawm chthamalus thiab balanus yog dab tsi?
Anonim

Balanus tuaj yeem tawm-sib sib tw Chthamalus los ntawm cov neeg coob coob lossis smothering, tab sis Chthamalus tuaj yeem tuav cov dej siab dua li Balanus vim nws tiv taus ntau dua rau desiccation.

Kev sib cuam tshuam ntawm Chthamalus thiab Balanus barnacles yog dab tsi?

Nyob hauv Scotland, Joseph Connell tau kawm txog kev sib tw tshwj xeeb hauv ob lub barnacles no. Nyob rau hauv qhov chaw uas ob lub barnacles nyob, nws tshem Balanus barnacles los ntawm cov pob zeb. Thaum Balanus barnacles raug tshem tawm, Chthamalus barnacles tsiv mus rau hauv qhov chaw tsis muaj.

Yuav ua li cas kev sib tw ua Chthamalus thiab Balanus barnacles nthuav tawm thiab lawv sib tw rau dab tsi?

ecological niche. Qhov twg hauv qab no yog qhov kev txiav txim siab tshaj plaws txog kev faib tawm ntawm ob hom barnacle, Chthamalus thiab Balanus? Chthamalus thiab Balanus sib tw rau tib hom zaub mov. Balanus tsis muaj peev xwm tiv taus desiccation dua li Chthamalus.

Connell qhov kev sim nrog Balanus thiab Chthamalus barnacles nrhiav tau dab tsi?

Qhov kev sim ua qauv qhia txog kev sib tw hauv thaj teb tau ua tiav los ntawm Joseph Connell (1961a, 1961b) ntawm cov kab barnacle Chthamalus stellatus thiab Balanus balanoides. … Nws nrhiav tau tias thaum twg nws tshem Balanus, Chthamalus muaj peev xwm ciaj sia nyob rau hauv qis dua ntawm thaj tsam intertidal.

Puas tshem tawmBalanus cuam tshuam rau kev faib ntawm Chthamalus?

Kev kwv yees: Chthamalus tus lej yuav nce hauv thaj chaw qis qis tom qab Balanus raug tshem tawm.

Pom zoo:

Nthuav cov khoom
Thaum twg peb lub pas dej tauv tsim?
Nyeem ntxiv

Thaum twg peb lub pas dej tauv tsim?

Peb lub Gorges Dam yog lub pas dej loj loj uas hla tus Dej Yangtze los ntawm lub nroog Sandouping, hauv Yiling District, Yichang, Hubei xeev, nruab nrab Tuam Tshoj, nqes ntawm peb Gorges. Peb Gorges Dam tau ua lub chaw nres tsheb loj tshaj plaws hauv ntiaj teb raws li kev teeb tsa muaj peev xwm txij li xyoo 2012.

Puas yog acetamide muaj ntxhiab tsw?
Nyeem ntxiv

Puas yog acetamide muaj ntxhiab tsw?

Cov tshuaj acetamide yog cov tshuaj acetic acid-derived uas tau txheeb pom tias yog tsw zoo li ammonia lossis vinegar. Nws tseem yuav cling rau qhov chaw uas musculus nyob rau hauv pw tsaug zog thiab yuav tau txais zaub mov scrounge. Vim li cas acetamide yaj hauv dej?

Kuv puas tau mob plawv?
Nyeem ntxiv

Kuv puas tau mob plawv?

Feem ntau, lawv tshwm sim los ntawm kev ntxhov siab thiab kev ntxhov siab, lossis vim tias koj tau muaj caffeine, nicotine, lossis cawv ntau dhau lawm. Lawv kuj tuaj yeem tshwm sim thaum koj cev xeeb tub. Muaj tsawg zaus, palpitations tuaj yeem yog ib qho cim ntawm lub plawv mob hnyav dua.