Which sequence demonstrates the increasing complexity of levels of organization in multuticelluar organisms ? A organelle_cell_tissue_organ_organ system_oraganism

B cell_organelle_tissue_organ_organsy stem organisms

C organelle_tissue_cell_organ_organ system organisms

D cell_organism _organ_organ system _tissue_organelle

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A part

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it's A

Explanation:

It's just a simple chain. Many Organelles form cell, many cells form a tissue, many tissues together form an organ, various organs together form an organ system and different organ systems together make a complete organism.

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gag reflex, poor dentition, gum retraction

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i think its both a and b