Video: Dab tsi yog punctuated equilibrium hauv biology?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Punctuated equilibrium (tseem hu ua sau ntawv equilibria) yog ib txoj kev xav hauv evolutionary biology uas tawm tswv yim tias ib zaug ib hom tshwm sim hauv cov ntaub ntawv fossil cov pej xeem yuav ruaj khov, qhia me ntsis kev hloov pauv rau feem ntau ntawm nws cov keeb kwm geological.
Dhau li ntawm no, dab tsi yog punctuated equilibrium yooj yim txhais?
Punctuated equilibrium yog ib lo lus uas hais txog kev hloov pauv ntawm cov nroj tsuag thiab tsiaj txhu nyob rau hauv txoj kev zoo li qub. Nyob rau hauv sib piv rau lub tswvyim hais tias lub neej cov ntaub ntawv hloov maj mam dhau lub sij hawm nyob rau hauv teb rau lawv ib puag ncig, punctuated equilibrium yog ib txoj kev xav hais tias cov kev hloov no tshwm sim nyob rau hauv spurts ntawm lub sij hawm ib ntus.
Tsis tas li ntawd, gradualism hauv biology yog dab tsi? -lĭz'?m] Txoj kev xav uas hom tshiab hloov zuj zus los ntawm cov tsiaj uas twb muaj lawm los ntawm kev maj mam hloov, feem ntau imperceptible hloov dua li los ntawm abrupt, loj hloov. Cov kev hloov me me tau ntseeg tias yuav ua rau pom kev hloov pauv nyob rau lub sijhawm ntev. Sib piv cov ntawv sau equilibrium.
Tom qab ntawd, lo lus nug yog, dab tsi yog qhov hypothesis ntawm punctuated equilibrium?
Punctuated equilibrium yog a kev xav ntawm evolution uas sim piav qhia tus qauv ntawm speciation pom nyob rau hauv cov ntaub ntawv fossil. Nws hais tias cov kab mob nyob rau hauv stasis kom txog rau thaum ib qho kev hloov loj ua rau evolutionary pressures, uas ua rau tawg ceev ceev ntawm speciation kom txog thaum stasis rov mus txog.
Dab tsi yog punctuated equilibrium rau cov me nyuam?
Los ntawm Kev Kawm Cov me nyuam Punctuated equilibrium , los yog sau ntawv equilibria, yog ib txoj kev xav ntawm evolution uas hais tias kev hloov pauv xws li speciation tuaj yeem tshwm sim sai heev, nrog rau lub sijhawm ntev me ntsis hloov-equilibria-hauv nruab nrab.
Pom zoo:
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