characteristics of living organisms what makes something alive?
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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 Growth / Development
Have an ability to grow and develop based on a genetic program / DNA.
Response Have an ability to
respond to the environment.
More Key Characteristics Metabolism
Obtain and use energy to maintain cell functions.
Autotrophic Heterotrophic
Homeostasis Maintain relatively
constant internal body or cell conditions.
Deeper Thinking Emergent Quality
The whole is greater than the sum of the parts.
It’s a system!
What is Biology? Bio = Life Logos = Study, Logic The study of living organisms and
their environment.
Disciplines of Study Pure / Basic Science
Genetics, cytology, embryology, anatomy, zoology, botany
Applied Science Medicine, forestry,
agriculture, fisheries
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