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Characteristics of Living Organisms

Characteristics of Living Organisms. What makes something alive?. Key Characteristics. Organized Structure Have an organized structure, hierarchical systems Cells Made of cells or cell products. Reproduction Have an ability to reproduce. More Key Characteristics.

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Characteristics of Living Organisms

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  1. Characteristics of Living Organisms What makes something alive?

  2. Key Characteristics • Organized Structure • Have an organized structure, hierarchical systems • Cells • Made of cells or cell products. • Reproduction • Have an ability to reproduce.

  3. More Key Characteristics • Growth / Development • Have an ability to grow and develop based on a genetic program / DNA. • Response • Have an ability to respond to the environment.

  4. More Key Characteristics • Metabolism • Obtain and use energy to maintain cell functions. • Autotrophic • Heterotrophic • Homeostasis • Maintain relatively constant internal body or cell conditions.

  5. Deeper Thinking • Emergent Quality • The whole is greater than the sum of the parts. • It’s a system!

  6. What is Biology? • Bio = Life Logos = Study, Logic • The study of living organisms and their environment.

  7. Disciplines of Study • Pure / Basic Science • Genetics, cytology, embryology, anatomy, zoology, botany • Applied Science • Medicine, forestry, agriculture, fisheries

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