characteristics of living organisms
Post on 30-Dec-2015
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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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