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3. IZAKI BIZIDUNAK
1. IZAKI BIZIDUNEN EZAUGARRIAK
Era askotako izaki bizidunak egon arren, ezaugarri hauek dituzte guzti-guztiek:

1. …………………………..…………………………..…………………………..…………………………..……………………………………….
2.…………………………..…………………………..…………………………..…………………………..……………………………………….
3.…………………………..…………………………..…………………………..…………………………..……………………………………….
4. …………………………..…………………………..…………………………..…………………………..……………………………………….
…………………………..…………………………..…………………………..…………………………..……………………………………….

Nutrizio-funtzioa

Nutrizio-funtzioa…
Autotrofoak

Heterotrofoak

Harreman-funtzioa
Harreman-funtzioa…
Ugalketa-funtzioa

Ugalketa-funtzioa…

Ugalketa
sexugabea

Sexu bidezko
ugalketa

2. IZAKI BIZIDUNEN KONPOSIZIO KIMIKOA
Izaki bizidunen substantziak elementu hauez osatuta daude, nagusiki:
ELEMENTUA

Substantzia

Ura

IKURRA

- Organismo guztien substantziarik
- Organismoek ura hartzen dute:

ez-organikoak:

*
*

Nortzuk dute?

FUNTZIOAK:

*

*

*

*

Oro har ez daude
……………………. osatuta

Gatz
mineralak

Beste batzuen artean betetzen duten FUNTZIOAK:
*
*
Substantzia

Gluzidoak

Adibideak:
Funtzioak:

organikoak…

Nortzuk dute soilik?

Lipidoak

Funtzioak:

……………………………………..

Osagairik ugariena?
……………………………………..

Adibideak:

Proteinak

Adibideak:
Funtzioak:

Azido
nukleikoak

● Eta, bitaminak?
Substantzia mota:

Ezaugarri berezia:

Bitaminaren baten urritasunak edo gabeziak?

3. ZELULA
Zelulak unitate bizidunik …

Adibideak:
Funtzioak:
Zelulen antolaketa
Zer da?
Mintz
Funtzioak:
plasmatikoa

Zer da?
Zitoplasma

Material
genetikoa

Zerez osatuta dago?

Zein molekulaz osatuta dago?
Zein da bere funtzioa?

Material genetikoa zelularen barruan nola dagoen kontuan hartuz, bi zelula mota bereizten dira:

Zelula eukariotoak

Zelula prokariotoak
4. ANIMALIA-ZELULA ETA LANDARE-ZELULA
ANIMALIA-ZELULA
Zelua-pareta

Mintz plasmatikoa

Zitoplasma

Bakuoloak/besikulak

Mitokondrioak

Kloroplastoak

Nukleoa

LANDAREZELULA

FUNTZIOA
5. ORGANISMO ZELULABAKARRAK ETA ZELULANIZTUNAK

Zelulabakarrak

ANTOLAKETA MAILAK

Zelulaniztunak

Idatzi dagokiona lokomozioaparatuaren antolaketa-mailaren
marrazkian.
7. BOST ERREINUAK

Animaliak

Landareak

Onddoak

Protistoak

Moneroak

Zelula mota

Zelula kopurua

Nutrizioa
8. ESPEZIEAK
Espezie bat elkarren …

Dimorfismo sexuala …

Zein bi izen mota dituzte espezie guztiak? ………………………………………………………………………………………………………………..
Zertarako erabiltzen da izen zientifikoa? ………………………………………………………………………………………………………………….
Izenak jartzeko sitemabinomiala erabiltzen da, zertan datza?………………………………………………………………………………….
………………………………………………………………………………………………………………..………………………………………….………………………
………………………………………………………………………………………………………………..………………………………………….………………………
………………………………………………………………………………………………………………..………………………………………….………………………

9. BIOANIZTASUNA

Zer da bioaniztasuna?

Gaur egungo bioaniztasuna………………………………. prozesu ………………………………. ondorioa da.
Haustespen naturalak esan nahi du …………………………………………………………………………………………
Bioaniztasuna handiena duten lekuak ………………………………….. eta …………………………………… dira.
Iberiar pentintsularenbioaniztasuna…………………………………… Europako eremuan.
Bioaniztasuna galtzea

BIOANIZTASUNA GALTZEKO ARRAZOIAK
●

●

●

●

Bioaniztasunari eutsi beharra
Zenbait espezie berez desagertu arren, hainbat arrazoi daude espezieak bestelako arrazoiengatik gal ez
daitezen ahalegintzeko. Esate baterako:
●
●
●
●
Gaur egun, besteak, beste, neurri hauek hartzen dira bioaniztasuna ez galtzeko:
●

●

●

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3 gaia izakibizidunak

  • 1. 3. IZAKI BIZIDUNAK 1. IZAKI BIZIDUNEN EZAUGARRIAK Era askotako izaki bizidunak egon arren, ezaugarri hauek dituzte guzti-guztiek: 1. …………………………..…………………………..…………………………..…………………………..………………………………………. 2.…………………………..…………………………..…………………………..…………………………..………………………………………. 3.…………………………..…………………………..…………………………..…………………………..………………………………………. 4. …………………………..…………………………..…………………………..…………………………..………………………………………. …………………………..…………………………..…………………………..…………………………..………………………………………. Nutrizio-funtzioa Nutrizio-funtzioa… Autotrofoak Heterotrofoak Harreman-funtzioa Harreman-funtzioa…
  • 2. Ugalketa-funtzioa Ugalketa-funtzioa… Ugalketa sexugabea Sexu bidezko ugalketa 2. IZAKI BIZIDUNEN KONPOSIZIO KIMIKOA Izaki bizidunen substantziak elementu hauez osatuta daude, nagusiki: ELEMENTUA Substantzia Ura IKURRA - Organismo guztien substantziarik - Organismoek ura hartzen dute: ez-organikoak: * * Nortzuk dute? FUNTZIOAK: * * * * Oro har ez daude ……………………. osatuta Gatz mineralak Beste batzuen artean betetzen duten FUNTZIOAK: * *
  • 3. Substantzia Gluzidoak Adibideak: Funtzioak: organikoak… Nortzuk dute soilik? Lipidoak Funtzioak: …………………………………….. Osagairik ugariena? …………………………………….. Adibideak: Proteinak Adibideak: Funtzioak: Azido nukleikoak ● Eta, bitaminak? Substantzia mota: Ezaugarri berezia: Bitaminaren baten urritasunak edo gabeziak? 3. ZELULA Zelulak unitate bizidunik … Adibideak: Funtzioak:
  • 4. Zelulen antolaketa Zer da? Mintz Funtzioak: plasmatikoa Zer da? Zitoplasma Material genetikoa Zerez osatuta dago? Zein molekulaz osatuta dago? Zein da bere funtzioa? Material genetikoa zelularen barruan nola dagoen kontuan hartuz, bi zelula mota bereizten dira: Zelula eukariotoak Zelula prokariotoak
  • 5. 4. ANIMALIA-ZELULA ETA LANDARE-ZELULA ANIMALIA-ZELULA Zelua-pareta Mintz plasmatikoa Zitoplasma Bakuoloak/besikulak Mitokondrioak Kloroplastoak Nukleoa LANDAREZELULA FUNTZIOA
  • 6. 5. ORGANISMO ZELULABAKARRAK ETA ZELULANIZTUNAK Zelulabakarrak ANTOLAKETA MAILAK Zelulaniztunak Idatzi dagokiona lokomozioaparatuaren antolaketa-mailaren marrazkian.
  • 8. 8. ESPEZIEAK Espezie bat elkarren … Dimorfismo sexuala … Zein bi izen mota dituzte espezie guztiak? ……………………………………………………………………………………………………………….. Zertarako erabiltzen da izen zientifikoa? …………………………………………………………………………………………………………………. Izenak jartzeko sitemabinomiala erabiltzen da, zertan datza?…………………………………………………………………………………. ………………………………………………………………………………………………………………..………………………………………….……………………… ………………………………………………………………………………………………………………..………………………………………….……………………… ………………………………………………………………………………………………………………..………………………………………….……………………… 9. BIOANIZTASUNA Zer da bioaniztasuna? Gaur egungo bioaniztasuna………………………………. prozesu ………………………………. ondorioa da. Haustespen naturalak esan nahi du ………………………………………………………………………………………… Bioaniztasuna handiena duten lekuak ………………………………….. eta …………………………………… dira. Iberiar pentintsularenbioaniztasuna…………………………………… Europako eremuan.
  • 9. Bioaniztasuna galtzea BIOANIZTASUNA GALTZEKO ARRAZOIAK ● ● ● ● Bioaniztasunari eutsi beharra Zenbait espezie berez desagertu arren, hainbat arrazoi daude espezieak bestelako arrazoiengatik gal ez daitezen ahalegintzeko. Esate baterako: ● ● ● ● Gaur egun, besteak, beste, neurri hauek hartzen dira bioaniztasuna ez galtzeko: ● ● ●