Elika katea
7
ELIKA-KATEA
description
Bizidunen funtzio garrantzitsu bat elikadura da.
Transcript of Elika katea
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ELIKA-KATEA
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ELIKA-KATEA: Ekosistema bateko izaki bizidunen arteko elikadura harremana da.
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LANDAREAK: Ura, gatz mineralak eta eguzkia behar dute elikatzeko.
Adibidez: belarra...
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BELARJALEAK: Landaretaz elikatzen dira.
Adibidez: zaldia, behia...
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HARAGIJALEAK: Belarjaleetaz elikatzen dira. Adibidez: tigrea...
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DESKONPOSATZAILEAK: Izaki bizidunen hondakinez elikatzen dira.
Adibidez: onddoak eta bakterioak.
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Izaro eta Janire
Legarda 5.D
2010 – 2011 ikasturtea