alumnos: marini ayrton quevedo gonzalo curso: 6 b1 materia: frances
TRANSCRIPT
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Alumnos: Marini Ayrton Quevedo GonzaloCurso: 6 “B1”Materia: Frances
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Biotique et Abiotique
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L’écologie étudie les flux d’énergie et de matiéres circulant dans un
écosysteme
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Lors de pêche industrielle intensive, les prélèvements par les prédateurs et l'augmentation de la fréquence de la
perturbation de l'environnement modifient les conditions d'habitat et
entraînent une disparition de certaines espèces.
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Enfin, il peut aussi s'agir d'une situation qui devient défavorable à la
qualité de vie de l'espèce (ou de la population) suite à une trop forte
augmentation du nombre d'individus (surpopulation).
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Dioxyde de carbone
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Acidification de l’océan
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L'action des ultraviolets sur les organismes vivants
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Problématique de l'eau
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C’est fini