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Chapter 2

The Characteristics of life

QuestionAnswer
What is an Organism? Is a living thing.
What is metabolism? Is the sum of all the chemical reactions in an organism.
The continuity of life means? that living things arise from other living things of the same type.
Define Life? The possession of all the following characteristics: Organised, requiring nutrition and excretion, capable of responding and reproducing.
What does organisation mean? Means that living things are composed of cells, tissue, organs and organ systems.
What is nutrition? Is the way Organisms get and use food.
What is excretion? is the removal of waste products of metabolism from the body.
What is response? is the way in which all living things react to changes in their environment.
What is reproduction? Is the production of new individuals.
What is the difference between sexual reproduction and asexual reproduction? Sexual: involves the union of sex cells. Asexual: does not involve the union of sex cells.
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