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Faahfaahinta casharka

Natiijada casharka

I can explain the theory of evolution by natural selection.

Muuji qoraalka
Natural selection can cause the common characteristics of a species to change (evolve) over generations. Scientists explain evolution using the theory of evolution by natural selection. A scientific theory is a general explanation, developed from evidence, that explains many different examples. Evolution is not planned in advance; new advantageous features appear randomly and are maintained by natural selection. Changes in the features of an individual within its lifetime are not evolution.

Warqadda shaqada

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Imtixaannada

  1. 1. Waxaa jira farqiyo u dhexeeya afarta shakhsi ee isku nooca giraffes. Waa maxay ereyga sayniska (scientific term) ee loo yaqaan farqiyadan?

    • kala duwanaanshaha noolaha (biodiversity)
    • dhaxalka (inheritance)
    • xulashada dabiiciga (natural selection)
    • Jawaabta saxda ah:kala duwanaansho (variation)

  2. 2. Giraffe kee ayaa faa'iido u leh tartanka cuntada?

    • Jawaabta saxda ah:Giraffaha qoortiisu dheer tahay
    • Giraffaha qoortiisu gaaban tahay
    • Midna giraffe faa'iido ma leh
    • Labada giraffeba faa'iido ayay leeyihiin

  3. 3. Giraffe kee ayaa ugu fiican inay ku noolaato (survive) deegaankeeda?

    • Jawaabta saxda ah:Giraffaha qoortiisu dheer tahay
    • Giraffaha qoortiisu gaaban tahay
    • Midna giraffe ah si fiican uguma qabsan karo inay ku noolaato
    • Labada giraffe waxay isku si fiican ugu qabsan karaan inay ku noolaadaan

  4. 4. Giraffe kee buu saynisyahannadu ku tilmaami lahaayeen midka ugu xoogga badan (fittest)?

    • Jawaabta saxda ah:Giraffaha qoortiisu dheer tahay
    • Giraffaha qoortiisu gaaban tahay
    • Midna giraffe
    • Labada giraffe waxay isku xoog yihiin

  1. 1. Mid ka mid ah kuwan soo socda ayaa bixinaya caddayn ah in astaamaha noocyada ay isbeddelaan dhowr jiil oo badan?

    • isbeddelka cimilada
    • dabar-go'id
    • Jawaabta saxda ah:fossils (fossil)
    • xulashada dabiiciga ah

  2. 2. Waa kuwee kuwan astaamaha (features) ee aragtida sayniska (scientific theory)?

    • Jawaabta saxda ah:Waa sharaxaad guud oo ku habboon xaalado badan oo kala duwan.
    • Waxay ku salaysan tahay oo kaliya caqliga guud (common sense).
    • Waa uun qiyaas ugu fiican oo laga yaabo inay run tahay.
    • Waxay si weyn u aqbalan yihiin saynisyada sababtoo ah waxay leeyihiin caddayn badan oo taageeraya.

  3. 3. Deeqaamadda soo socota, kee baa run ah?

    • Chimpanzees iyo dadku waa isku nooc (species).
    • Jawaabta saxda ah:Chimpanzees iyo dadku waxay leeyihiin awoowe wadaag ah (common ancestor).
    • Dadku waxay ka soo baxeen chimpanzees.
    • Dadku waxay leeyihiin 99% DNA ah oo ay wadaagaan chimpanzees.

  4. 4. Warfarin waa sun lagu dilo jiirka. Muddo ka dib, jiirka badankoodu waxay noqdeen kuwa adkaysta warfarin, oo hadda suntaasi ma dishayso. Yaa leh fikrado sax ah oo kaa caawinaya inaad fahamto sababta?

    • Jawaabta saxda ah:Andeep: “Markii ugu horraysay ee jiirku adkaysteen, waxay u dhacday si aan ula kac ahayn.”
    • Jun: “Dhammaan jiirku waxay ka barteen kuwa adkaystay inay adkaystaan.”
    • Laura: “Adkaysiga sunta wuxuu noqday mid caadi ah sababtoo ah xulasho dabiici ah (natural selection).”
    • Sam: “Jiirku waxay go'aansadeen inay la qabsadaan si ay uga adkaystaan sunta.”

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