Study Biology notes on Characteristics Of Living Organisms for Secondary. Useful for revision, homework, and exam preparation in Zimbabwe.
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www.studyguide.pk studyouldeph Chapter One: Characteristics Of Living Organisms In order to identify living organisms, scientists listed 7 characteristics which all living organisms have: Nutrition: Taking in nutrients which are organic substances and mineral ions, containing raw materials and energy for growth and tissue repair, absorbing and assimilating them. Excretion: Removal from organisms of toxic materials, the waste products of metabolism and substances in excess. Respiration: Chemical reactions that break down nutrient molecules in living cells to release energy. Sensitivity: The ability to detect or sense changes in the environment and to make responses. Reproduction: Progresses that make more of the same kind of organism. Page1 studyouldeph Kareem Mokhtar