"Les récifs coralliens sont de grandes structures sous-marines qui se forment dans les eaux claires des mers tropicales. Ce ne sont pas des plantes, mais des groupes d 'animaux minuscules qu 'on appelle des <<polypes>>. Lorsquils meurent, les squelettes de ces polypes samoncellent et, avec le temps, forment les récifs. Cest un processus très lent. Dans ce livre, on apprend ce quest la chaîne alimentaire et le rôle quendossent les récifs coralliens dans cette chaîne. Les polypes coralliens et les autres animaux des récifs sont très sensibles; même le plus léger contact peut les tuer."
"Explains how coral reef animals get their energy from food chains."
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Chaînes alimentaires (Écologie) Ouvrages pour la jeunesse.
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Écologie des récifs coraliens Ouvrages pour la jeunesse.
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This is a placeholder reference for a Topic entity, related to a WorldCat Entity. Over time, these references will be replaced with persistent URIs to VIAF, FAST, WorldCat, and other Linked Data resources.
Écologie des récifs coralliens Ouvrages pour la jeunesse.
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récifs et îles de coraux Ouvrage spour la jeunesse.
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Récifs et îles de coraux Ouvrages pour la jeunesse.
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