生物的八大特征有哪些呢？Characteristics of living things
1.Living things are based on a universal genetic code.
2.Living things grow and develop.
3. living things respond to their environment.
4. Living things reproduce.
5. Living things maintain a stable internal environment.
6. Living things get and use material and energy. 7. Living things are made up of cells.
8. Taken as a group，living things evolve.
几个生词
epidemic流行病，
stimulus刺激，单数形式
stimuli 刺激，复数形式
homeostasis稳态，
metabolism新陈代谢
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