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Characteristics of Living Organisms - MRS GREN
- Movement
- action by an organism (or part of) causing a change of position or place
- action by an organism (or part of) causing a change of position or place
- Respiration
- chemical reactions that break down nutrient molecules in living cells to release energy
- chemical reactions that break down nutrient molecules in living cells to release energy
- Sensitivity
- ability to detect/sense changes in the environment (stimuli) and to make responses
- ability to detect/sense changes in the environment (stimuli) and to make responses
- Growth
- permanent increase in size and dry mass by an increase in cell number or cell size or both
- permanent increase in size and dry mass by an increase in cell number or cell size or both
- Reproduction
- processes that make more of the same kind of organism
- processes that make more of the same kind of organism
- Excretion
- removal from organisms of:
- toxic materials
- waste products of metabolism (chemical reactions in cells during respiration)
- substances in excess of requirements
- toxic materials
- removal from organisms of:
- Nutrition
- taking in of nutrients which are organic substances and mineral ions, containing raw materials or energy for growth and tissue repairs and absorbing and assimilating them
- taking in of nutrients which are organic substances and mineral ions, containing raw materials or energy for growth and tissue repairs and absorbing and assimilating them
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