将括号中的段落翻译成英语，并采用更通俗易懂的表达。

生物的生命活动包括生长、发育、繁殖、遗传等多个方面，而生物的生长是指细胞分裂和增大的过程。(生物通过细胞分裂和增大的过程实现生长，并且这些变化会导致生物体的体积变大。)
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Biological life activities encompass growth, development, reproduction, and inheritance, among other aspects. Growth in organisms refers to the processes of cell division and enlargement. (Biological growth is achieved through cell division and enlargement, leading to an increase in the organism's size.)
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