qui menja a qui? naturals
TRANSCRIPT
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QUI MENJA A QUI?
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INDEX- Ecosistema- Relacions biòtiques · Intraespecífiques · Interespecífiques- Cadena alimentària- Xarxa alimentària- Nivells tròfics- Organització d'una cadena alimentària- El nostre ecosistema
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UN ECOSISTEMA-Un ecosistema és un conjunt format per la biocenosi i pel biòtop.
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LES RELACIONS ENTRE ELS
ESSERS VIUS.
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-RELACIONS INTERESPECÍFIQUES.
·Competencia.·Depredació.·Parasitisme.·Comensalisme·Mutualisme.
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COMPETÈNCIA. (-/-)
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DEPREDACIÓ (+/-)
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PARASITISME (+/-)
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COMENSALISME (+/0)
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MUTUALISME (+/+)
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-RELACIONS INTRAESPECÍFIQUES.
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CADENA I XARXA
ALIMENTARIA.
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CADENA ALIMENTARIA.
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XARXA ALIMENTARIA.
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NIVELLS TRÒFICS. PRODUCTORS:
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Consumidors Consumidors Consumidors primaris secundaris terciaris
CONSUMIDORS:
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ALTRES COMSUMIDORS:
Depredador Carronyaires
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DESCOMPONEDORS:
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ORGANITZACIÓ D'UNA CADENA ALIMENTARIA.
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EL N
OST
RE
ECO
SIST
EMA
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LA XARXA ALIMENTARIA
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Bibliografia
- Viquipedia- Google imagenes- Youtube- Slideshare