Dab tsi yog phylogenetic thiab ontogenetic?

Cov txheej txheem:

Dab tsi yog phylogenetic thiab ontogenetic?
Dab tsi yog phylogenetic thiab ontogenetic?
Anonim

Ontogeny thiab Phylogeny yog 1977 phau ntawv ntawm evolution los ntawm Stephen Jay Gould, nyob rau hauv uas tus sau tshawb txog kev sib raug zoo ntawm embryonic txoj kev loj hlob thiab lom evolution.

Qhov txawv ntawm phylogenetic thiab ontogenetic yog dab tsi?

Qhov sib txawv tseem ceeb ntawm ontogeny thiab phylogeny yog tias ontogeny yog kev kawm txog kev loj hlob ntawm cov kab mob, whereas phylogeny yog txoj kev kawm ntawm evolution. Tsis tas li ntawd, ontogeny muab keeb kwm kev loj hlob ntawm cov kab mob hauv nws lub neej thaum phylogeny muab cov keeb kwm evolutionary ntawm ib hom.

Lub ntsiab lus ntawm ontogenetic yog dab tsi?

Ontogeny (kuj ontogenesis) yog lub hauv paus pib thiab kev loj hlob ntawm cov kab mob (ob leeg lub cev thiab lub hlwb, piv txwv li, kev loj hlob ntawm kev ncaj ncees), feem ntau yog los ntawm lub sijhawm fertilization ntawm lub qe mus rau neeg laus.

phylogeny thiab ontogeny yog dab tsi?

Ontogeny hais txog kev loj hlob ntawm cov kab mob thaum phylogeny hais txog seb cov kab mob tau hloov zuj zus.

Yuav ua li cas yog phylogenetic hauv biology?

Phylogenetics yog kev kawm txog kev sib raug zoo ntawm cov kab mob lom neeg- feem ntau hom, tib neeg lossis cov noob (uas yuav raug hu ua se). Cov ntsiab lus tseem ceeb ntawm phylogenetics tau sau tseg hauv daim duab 1 hauv qab no.

Pom zoo:

Nthuav cov khoom
Pob splanchnic paj hlwb synapse?
Nyeem ntxiv

Pob splanchnic paj hlwb synapse?

Cov hlab ntsha loj dua splanchnic taug kev los ntawm diaphragm thiab nkag mus rau hauv plab kab noj hniav. Nws fibers synapse ntawm celiac ganglia. Cov hlab ntsha txhawb nqa rau lub celiac plexus, lub network ntawm cov hlab ntsha nyob rau thaj tsam ntawm qhov chaw ntawm lub cev celiac ceg ntawm lub plab aorta.

Yuav coreopsis puas tawg rau lub caij ntuj sov?
Nyeem ntxiv

Yuav coreopsis puas tawg rau lub caij ntuj sov?

yog qhov kev xaiv zoo meej. Nrog ntau tshaj 80 hom coreopsis, muaj ntau yam kom haum txhua lub vaj tsim. Haiv neeg rau North America, coreopsis nroj tsuag loj hlob nyob rau hauv upright clumps thiab feature masses ntawm kaj, showy, daisy-zoo li paj thoob plaws lub caij ntuj sov.

Lub ntsiab lus ntawm kev hush up yog dab tsi?
Nyeem ntxiv

Lub ntsiab lus ntawm kev hush up yog dab tsi?

: tsi ntsiag to kuv hais rau nws kom txhob maj. slang txhais li cas? Koj hais 'Hush! ' rau ib tug thaum koj nug lossis qhia kom lawv nyob ntsiag to. Nkauj ruam ruam? "Tseem" yog lus Southern uas hais tias " shut up .