Lub pentadactyl limb pom nyob rau hauv nees muab ib qho piv txwv zoo ntawm yuav ua li cas evolution tau tshwm sim. … Lawv muaj qhov evolutionary kom zoo dua vim lawv yuav zam tau cov neeg tua tsiaj Ntau tiam neeg nees taw tau hloov zuj zus mus thiab cov nees lawv tus kheej siab dua thiab muaj zog.
Pentadactyl limb yog dab tsi?
Ib qho kawg lossis appendage uas txawv ntawm lub taub hau thiab lub cev; caj npab, ceg, flipper los yog tis. Ntau pentadactyl tetrapods siv cov ceg rau locomotion, xws li taug kev, khiav, ya, nce toj, khawb thiab ua luam dej. Qee tus siv lawv lub hauv ntej thiab/los yog sab ceg tawv los rhuav, tuav, nqa thiab/los yog siv cov khoom.
Vim li cas Pentadactyl limb txaus siab rau cov kws tshawb fawb?
Lub cev nqaij daim tawv rau pentadactyl limb muab cov kws tshawb fawb nrog cov pov thawj rau kev hloov pauv. Pentadactyl limb tuaj yeem pom nyob rau hauv ntau hom vertebrate. Qhov no qhia tau hais tias muaj ntau yam vertebrates muaj ib tug poj koob yawm txwv nrog ib tug pentadactyl limb.
Pentadactyl limb txoj kev xav li cas muab pov thawj rau kev hloov pauv los ntawm ib tus poj koob yawm txwv vertebrate?
Cov lus piav qhia evolutionary ntawm pentadactyl limb yog qhov yooj yim tias tag nrho cov tetrapods tau nqis los ntawm ib tug poj koob yawm txwv uas muaj pentadactyl limbthiab, thaum lub sij hawm evolution, nws tau tig los ua. yooj yim rau evolve variations ntawm lub ntsiab tsib tus lej, dua li recompose tus limb qauv.
Pentadactyl txhais li cas?
: muaj tsib tus lej ntawm txhua txhais tes lossis ko taw pentadactyl tsiaj.
