$2

Resource Description

Graad 8 Kwartaal 1 Natuuurwetenskappe Opsomming

– Fotosintese

– Respirasie

– Inleiding tot ekologie en ekosisteme

– Voedingsverhoudinge

– Energievloei: voedselkettings en voedselwebbe

– Balans in ‘n ekosisteem

– Aanpassings

– Bewaring van die ekosisteme

– Mikro-organismes

– Skadelike mikro-organismes

– Nuttige mikro-organismes

 

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