Evolution of Endothermy Tom qab, tus qauv muaj peev xwm aerobic posited tias endothermy hloov zuj zus raws li cov khoom lag luam ntawm kev xaiv kom muaj peev xwm aerobic siab(piv txwv li, lub peev xwm siv oxygen ntau tshaj thaum ua haujlwm). … Cov qauv tshiab tshaj plaws qhia tias endothermy hloov zuj zus los ntawm kev xaiv rau kev saib xyuas niam txiv hnyav.
Dab tsi yog qhov txiaj ntsig tseem ceeb ntawm kev hloov pauv ntawm endothermy?
Qhov zoo ntawm endothermy paub zoo: lub peev xwm los tuav cov thermal niches uas tsis suav nrog ntau cov ectothermic vertebrates, qib siab ntawm thermal kev ywj pheej los ntawm ib puag ncig kub, cov leeg nqaij muaj zog thiab Kev txhawb nqa qib kev ua si, rau npe tab sis ob peb.
Yuav ua li cas tsav lub evolution ntawm endothermy?
Hloov chaw, Bennett thiab Ruben tau tshaj tawm tias kev hloov pauv ntawm endothermy tau txuas ncaj qha rau xaiv rau qib siab ntawm cov dej num txhawb nqa los ntawm aerobic metabolism. … Bennett thiab Ruben tau nthuav tawm tias cov tsiaj uas muaj peev xwm aerobic ntau dua tuaj yeem ua tau thiab txhawb nqa kev nrawm dua.
Puas endothermy yog evolutionary los ntawm cov khoom?
Nws yog parsimonious tshaj los txhais endothermy raws li ib tug evolutionary by-product thiab ib tug ntawm ntau muaj peev xwm physiological xeev uas tshwm sim los ntawm lub zog tshuav nyiaj li cas tswj. Endothermy hloov cov kev sib raug zoo ntawm cov kab mob thiab lawv ib puag ncig thiab yog li cuam tshuam cov niches tseem ceeb.
noog tau hloov pauv endothermy li cas?
Inherentlysiab dua thiab ruaj khov Tb hauv cov dinosaurs loj dua tuaj yeem piav qhia lawv cov theem nruab nrab ntawm metabolic ntawm cov tsiaj reptiles thiab cov tsiaj nyeg thiab noog thiab tej zaum yuav pab txhawb kev hloov pauv ntawm endothermy los ntawm pab txhawb kev saib xyuas niam txiv thiab nyiam kev loj hlob ntau dua hauvcov kab no (32).