Edexcel IGCSE Biology 复习笔记 2.1.1 Levels of Organisation
Multicellular organisms have many levels of organisation
Different Levels of Organisation Table
Examples of Organ Systems in Animals & Plants Table
Typical levels of organisation question. The answer is B: 1 is the leaf organ, 2 is a palisade mesophyll cell and 3 is the spongy mesophyll layer.
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