Yuav ua li cas koj yuav kawm ua: Pom tias mutations yog lub hauv paus ntawm microevolution; thiab qhov kev hloov pauv ntawd txhim kho txoj sia nyob thiab kev yug me nyuam ntawm tib neeg hauv cov pej xeem. Peb twb tau kawm txog DNA thiab kev hloov pauv, tam sim no peb yuav kawm txog yuav ua li cas cov kev hloov pauv no tuaj yeem tsav kev hloov pauv.
Kev hloov pauv ua rau microevolution li cas?
Microevolution qhia txog hloov pauv hauv DNA ntu thiab allele zaus hauvib hom nyob rau lub sijhawm. Cov kev hloov pauv no yuav yog vim kev hloov pauv, uas tuaj yeem qhia cov alleles tshiab rau hauv cov pejxeem.
Kev hloov pauv hauv microevolution yog dab tsi?
Mutation: thaum kev hloov pauv tau zoo ntawm tus kheej tshwm sim hauv lub cev, cov noob hloov pauv no tuaj yeem nce ntau zaus ntau tiam neeg yog tias nws nthuav tawm qhov zoo dua rau cov uas tsis muaj nws.
Puas hloov pauv ua rau macroevolution?
Kev hloov pauv uas ua rau muaj hom tshiab yog ib feem ntawm macroevolution. Feem ntau microevolution tuaj yeem ua rau macroevolution vim qhov kev hloov pauv tau tshaj tawm thiab ob hom sib txawv tshwm sim. Ob leeg yog tshwm sim los ntawm mutation, genetic drift, gene flow or natural selection.
Dab tsi ua rau microevolution?
5 ua rau microevolution
- genetic drift - stochastic variation in inheritance.
- Nyob zoo ib tsoom phooj ywg.
- Mutation.
- Natural selection.
- Migration (gene flow)
