Kev Kawm Ntawv:Kev kawm theem nrab thiab cov tsev kawm ntawv

Pros thiab cons ntawm Lamarck txoj kev xav ntawm evolution ntawm hom

Lub tswv yim ntawm Jean Baptiste Lamarck rau cov evolution ntawm hom yog formulated los ntawm cov kws tshawb fawb nyob rau hauv heev thaum pib ntawm XIX caug xyoo. Nws xav txog kev txhim kho ntawm hom Lamarck tau hais tseg hauv kev ua haujlwm "Lub tswv yim ntawm zoology," uas tsis tau pom dua los ntawm cov xeeb ceem. Tus kws thiab cov Lam ntawm Lamarck qhov kev tshawb xav tau pib kawm ntau tom qab. Txawm li cas los xij, qhov no yog thawj txoj kev tshawb nrhiav evolutionary, thiab, tau kawg, nws muaj qhov zoo thiab qhov tsis zoo. Xav txog qhov zoo thiab cov cai ntawm Lamarck qhov kev xav, nrog rau nws txoj hauv kev loj.

Txheem ntawm txoj kev xav

Tus essence ntawm Lamarck qhov kev xav yuav piav qhia los ntawm cov hauv qab no theses:

  1. Yog tias ib yam khoom siv feem ntau siv los ntawm lub cev, ces nws tsim.
  2. Yog tias qee lub cev tsis ua haujlwm zoo nyob rau ntawm thaj chaw ntawm lub cev, nws maj mam tuag.
  3. Cov cwj pwm yeej siv tau los ntawm cov zwj ceeb hauv lub cev.

Criticism

Xav txog qhov zoo thiab cov cai ntawm Lamarck qhov kev xav. Qhov zoo, ntawm chav kawm, yog:

  1. Correct scientific tseeb ntawm qhov tseeb ntawm evolution ntawm tsiaj. Nws yog thawj tus neeg tham txog qhov tseeb tias evolution yog ib txoj cai ntawm cov xwm thiab txhua yam yuav raug rau tej yam kev hloov.
  2. Kev sib raug zoo ntawm kev sib txawv ntawm cov kab mob nrog rau kev cuam tshuam ntawm lwm yam.
  3. Txoj kev xav tau ua los ntawm Lamarck tias cov hom kab uas twb muaj los ntawm cov zauv sawv daws tau hloov lawm.

Txais:

  1. Nyob rau hauv nws txoj kev xav ntawm "striving rau perfection," Lamarck pom tias qhov nrhiav tau ntawm lub cev yog pub los ntawm nws cov xeeb ntxwv. Raws li kev tshwm sim ntawm kev tshawb fawb ntxiv, nws tau pom tias qhov qub txeeg qub teg ntawm cov khoom ntim tau yog ib qho kev ua ntau yam thiab tsis meej xwm txheej.
  2. Lamarck sawv cev ntawm evolution ua ib qho kev ua ntu zus thiab sib npaug, tab sis nws yog characterized by jumps thiab pauses.
  3. Tsis to taub cov qauv ntawm lub cev muaj sia. Lub luag haujlwm tseem ceeb hauv kev ua haujlwm ntawm qhov teeb meem, Lamarck yog tus cwj pwm ntawm lwm yam. Nws suav hais tias tus kab mob nyob hauv nruab sia yog ib qho kev ua haujlwm hauv kev ua haujlwm ntawm ib puag ncig yam, uas tsis yog qhov tseeb.

Qhov no yog lub ntsiab ntxiv thiab rho tawm ntawm Lamarck txoj kev xav.

Cov tshuaj tiv thaiv ntawm cov neeg sib tw

Lub tswv yim ntawm Lamarck tsis nyiam nrog tus kws tshawb fawb txog kev sib tham. Txawm tias Charles Darwin tau xav txog cov kws tshawb fawb txog kev ncaj ncees.

Lub tswvyim evolutionary ntawm Lamarck, tus tshaj tawm thiab cov kev xav ntawm qhov kev xav no, tau pib kawm nyob rau hauv kev nthuav dav nkaus xwb thaum pib ntawm lub xyoo pua nees nkaum. Nws txoj kev xav ntawm qhov qub txeeg qub teg ntawm nrhiav tau yam ntxwv ua rau sawv kev tawm tsam ntawm kev tshawb fawb, thiab los ua qhov pib taw qhia rau cov kev sib tw nto moo ntawm Weismann kev txuas nrog kev heredity.

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