Piramidenn : diforc'h etre ar stummoù

7 okted lamet ,  10 vloaz zo
Diverradenn ebet eus ar c'hemm
Aucun résumé des modifications
Aucun résumé des modifications
*[[Ecological pyramid]], a graphical representation designed to show the biomass or productivity at each trophic level in a given ecosystem.
*[[Food guide pyramid]], informally known as the food pyramid, a US-American nutrition guide -->
* [[Piramidenn ar medulla oblongata]], ur framm eren medulla oblongata[[hirvel]].
<!-- *A hierarchical structure of some [[Organization#Pyramids_or_hierarchies|organizations]]
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