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CIE IGCSE Biology: 复习笔记：1.1.1 Characteristics of Living Organisms

Category: IGCSE课程, 国际课程, 教材笔记, 福利干货 Date: 2022年11月16日下午5:29

Movement: an action by an organism or part of an organism causing a change of position or place
Respiration: the chemical reactions that break down nutrient molecules in living cells to release energy for metabolism
Sensitivity: the ability to detect or sense stimuli in the internal or external environment and to make appropriate responses
Growth: a permanent increase in size and dry mass by an increase in cell number or cell size or both
Reproduction: the processes that make more of the same kind of organism
Excretion: the removal from organisms of toxic materials, the waste products of metabolism (chemical reactions in cells including respiration) and substances in excess of requirements
Nutrition: the taking in of materials for energy, growth and development; plants require light, carbon dioxide, water and ions; animals need organic compounds, ions and usually need water