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First, a video!

First, a video!. http://www.youtube.com/watch?v=juxLuo-sH6M. Characteristics of Life. Made of 1 or more cells Displays organization Grows and develops Reproduces Responds to stimuli Requires Energy Maintains homeostasis Adapts/ Evolves.

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First, a video!

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  1. First, a video! • http://www.youtube.com/watch?v=juxLuo-sH6M

  2. Characteristics of Life • Made of 1 or more cells • Displays organization • Grows and develops • Reproduces • Responds to stimuli • Requires Energy • Maintains homeostasis • Adapts/Evolves An organism is anything that has or once had all these characteristics

  3. 1. Made of one or more cells • Bacteria are unicellular meaning they are made of only one cell • The blue whale is multicellular meaning it is made of many cells

  4. 2. Displays Organization • Simple organization can be found within a single cell • Complex organization can be found in organ systems

  5. 3. Grows and Develops • Growth is an increase in mass or weight • Development is a change in abilities

  6. 4. Reproduces • Production of offspring (next generation) • Sexual reproduction is when genetic information is exchanged • Asexual reproduction is when the same genetic information is used to make a copy

  7. 5. Responds to Stimuli • A stimulus is a “cause” whereas a response is an “effect” • The internal environment is what is inside of an organism • The external environment is what is outside of an organism

  8. 6. Requires Energy • All living things need food in one form or another • A producer makes it own food • A consumer needs to eat to survive

  9. 7. Maintains Homeostasis • Homeostasis means maintaining its internal environment • An example of homeostasis is when you are too hot, you sweat

  10. 8. Adapts/Evolves • Adaptation and evolution does not happen within one generation or lifespan • An adaptation is any inherited (through genes) characteristic that results from changes to a species over time

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