Copepods ua luam dej tsis tu ncua los ntawm kev vibrating lawv cov khoom noj los yog erratically los ntawm rov ntaus lawv ob txhais ceg ua luam dej, ua rau muaj kev dhia me me. Ob hom kev ua luam dej ua rau muaj kev cuam tshuam hydrodynamic sib txawv thiab yog li nthuav tawm cov neeg ua luam dej sib txawv rau cov tsiaj txhu rheotactic.
Puas yog copepod ib tug predator?
Ntau hom copepod, yam tsawg kawg hauv lawv cov theem tom qab kev loj hlob, yog cov tsiaj nyeg zooLawv nthuav tawm ntau yam kev yos hav zoov thiab pub mis, uas ua rau lawv tuaj yeem tua ntau yam ntawm cov tsiaj planktonic. los ntawm protozoans mus rau me me cladocerans. Cov rotifers feem ntau yog cov nyiam prey.
Planktonic copepod nres li cas?
Copepods uas yog ambush pub invariably perceive prey los ntawm hydromechanical cues.… Qhov no yuav ua rau muaj kev tawm tsam: tus copepod nrawm mus rau tus tsiaj thiab ntes nws (Kiørboe li al. 2009). Lub nres nres yog ceev heev; lub copepod accelerates mus rau ib tug ceev ntawm ntau tshaj 100 lub cev-ntev s−1 hauv ob peb milliseconds.
Dab tsi yog qhov nrawm tshaj plaws uas copepods muaj peev xwm ntawm lub sijhawm khiav tawm?
Thaum kuaj pom tus tsiaj nyeg, millimeter-loj copepods tuaj yeem nrawm ntawm ntau tshaj 200 m s-2thiab nyob rau hauv milliseconds mus txog qhov nrawm ntawm ntau pua lub cev ntev ib ob (Buskey li al.
copepods noj li cas?
Me me crustacean zooplankton hu ua "copepods" zoo li nyuj ntawm hiav txwv, noj phytoplankton thiab hloov lub hnub lub zog rau hauv zaub mov kom siab dua trophic hauv lub vev xaib khoom noj. … Ntses xws li anchovies caij nkoj hla dej nrog lawv lub qhov ncauj qhib dav, lim copepods thiab lwm yam zooplankton los ntawm dej.
