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Lynn Margulisen irudia Wikipedian: Lynn Margulis, SINC, CC-BY-1.0, doako aplikazioarekin egindako karikatura: myedit

Ziurrenik, askotan entzun duzue zelulak garrantzitsuak direla. Atomoa materiaren unitatea den bezalaxe, zelula bizitzaren unitatea da. Zergatik? Ataza honetan ikasiko dugu. Horretarako, Zientziaren historia aztertu behar da, ikusteko nola iritsi ziren zientzialariak "zelula-teoria" garatzera arian-arian egindako aurkikuntzen bidez. 

Eta bai, ni ere banaiz historia horren parte.

Teoria Zelularreko atazaren aurreko informazioa

2

Puntu gorrietan oinarrizko informazioa dago, Robert Hookerekin hasi eta Lynn Margulis gure anfitrioiarekin geziak jarraituz amaitzen den "Teoria zelularraren oinarrizko historia" mapa honen atzean jarraitzen den lana egiteko.

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Irudiak:

Erretratua: Robert Hooke. Rita Greer. CCO // Anton Van Leeuvenhoek. Jan Verkolje - CCO // Theodor Schwann. Wellcome Collection gallery. CC BY 4.0 // Jacob_Schleiden. Carl Wilhelm Traugott Schenk. CCO // Rudolf Virchoff. Wellcome Collection gallery. CC BY 4.0 // Santiago Ramón y Cajal. Clark University. CCO // Lynn Margulis.  Javier Pedreira . CC BY-SA 2.5

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Ataza: Zelula-teoria

Iraupena:
3 ordu
Taldeak:
Adituen taldek / Oinarrizko taldeak

Ataza honetan, “puzzlea” izeneko lankidetza-teknika erabiliko dugu. Gaiaren aurkezpena ikusi ondoren, “adituen” taldeak osatuko ditugu puzzle atalak lantzeko. Ondoren, taldeak berrantolatu eta berriak sortuko ditugu, eta talde bakoitzean gaiaren zati bat ikertu duten ikasleak egongo dira, guztion artean gaia osatzeko.

1.- Zelula-teoriaren aurkezpena

Ezer baino lehen, zelula-teoriaren historia ezagutuko dugu, eta bertan kokatuko gara. Zientzialari askok ikertu dute gaia, baina protagonista nagusiak ikusiko ditugu bideo atsegin eta dibertigarri honetan.

Cecilia Olmos. Zelula-teoriaren historia bitxia (Licencia Estándar de YouTube))

Minutu batzuk hartuko ditugu taldean hausnartzeko bideoan ikusitakoari buruz, eta, ondoren, galdera hauei erantzun eta gelan nahiz portfolioan partekatuko ditugu:

  • Zein hiru printzipiok osatzen dute zelula-teoria?
  • Aurkikuntza zientifikoen historia anekdotaz beteta dago. Zeintzuk iruditu zaizkigu deigarrienak bideoan?
  • Bideoan, zenbait “borroka” zientifiko azaltzen dira, baita lankidetza onak ere. Zein da, gure ustez, ezagutza zientifikoaren aurrerapenean duten rola?
  • Teoria zientifikoak pixkanaka eraikitzen dira, eta, ezagutzak aurrera egin eta aurkikuntza berriak egin ahala, aldatu egiten dira. Zer hausnartzera eramaten gaitu horrek?

2.- Adituen taldeetan ikertuko dugu

Sei pertsonako taldeak osatuko ditugu, eta horiek izango dira “adituen taldeak”. Horietako bakoitzak informazioa bilatuko du pertsonaia bati buruz, irakasleak emandako esteketan edo guk ikertutako beste batzuetan, eta, ondoren fitxa biografiko batean antolatuko du, honela:

FITXA 

  • Taldea eta taldekideak:
  • Zientzialaria: izena eta irudia
  • Laburpen biografikoa, jaiotza, ikasketak, arazoak...
  • Zelularekin lotutako aurkikuntzak:
  • Beste ikerketa-arlo batzuk
  • Anekdotak
  • Sakontzeko QR kode edo bideo bat

Pertsonaiak eta estekak: Ikusi mapan

Idatzizko informazioa bildu ondoren, diapositiba batean partekatuko dugu irakaslearekin.

3. Taldeak berrantolatuko ditugu

Orain, taldeak berrantolatu eta berriak osatuko ditugu; taldekide bakoitzak zientzialari bat ikertu du aurreko jardueran.

Taldekide bakoitzak, idatzizko fitxan oinarrituta, berak aztertutako zientzialariaren historia azalduko die gainerakoei, eta zientzialari horren aurkikuntza aurkeztuko die hurrenkera historikoaren arabera. Antzezpena ere egin dezakegu, paperean sartuta. Gainerakoei entzuten diegun bitartean, bakoitzak taula hau beteko du, gure portfolioan jasotzeko:

Zientzialaria eta jaiotza-data nahiz -tokia Zelulekin lotutako aurkikuntzak Beste ikerketa-arlo batzuk Adierazgarria iruditu zaiguna

4. Talde bakoitzaren ikerketa aurkeztea

Azkenik, irakasleak gure lan guztiak bilduko ditu aurkezpen bakar batean, eta, adituen talde bakoitzak, lana banatuta, ahoz aurkeztuko ditu zientzialariak, diapositibetan agertu ahala. 

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