Multicellular Organisms: mold, grass, dust mite, mushrooms, Unicellular Organisms: paramecium, bacteria, Tissue: parenchyma, onion epidermis, Organ: leaf, brain, heart, esophagus, pear fruit, Organ System: , root system, ,

Examples of Tissues, Organs, Organ Systems, Organisms

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恢復自動保存: ?