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Characteristics of Living Things

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Characteristics of Living Things All Living Things Share Common Characteristics What do you think are characteristics that make something living? – PowerPoint PPT presentation

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Title: Characteristics of Living Things


1
Characteristics of Living Things
2
All Living Things Share Common Characteristics
  • What do you think are characteristics that make
    something living?

3
Living Things Are Made Up of Cells
  • Smallest living unit
  • Unicellular/Multicellular
  • Complex, highly organized

4
Based on Universal Genetic Code
  • Stores info needed to live, grow and reproduce in
    DNA
  • Info copied ? passed on to offspring
  • Almost identical in every organism on Earth

5
Living Things Reproduce
  • Sexual Reproduction
  • Sex cells from 2 parents unite (plant/animal)
  • Asexual Reproduction
  • Single organism produces clone of itself
    (bacteria)

6
Growth and Development
  • Cells begin to differentiate
  • Look different
  • Perform different functions

7
Maintain Stable Environment
  • Keep internal environment stable even though
    external conditions change
  • Homeostasis

8
Respond to Their Environment
  • Detect and respond to signals (stimulus) from
    their environment

9
Obtain and Use Material/Energy
  • Energy needed to grow, develop, function and
    reproduce
  • Metabolism- sum of all chemical reactions in an
    organism

SUN is main source for all life
6O2 C6H12O6 6CO2 6H2O
10
Taken as a Group, Living Things Evolve
  • Change over time
  • Links all life forms to common origin
  • Evidence found in living/fossil organisms
  • DNA

11
LIFE IS ORGANIZED ON MANY LEVELS
12
  • Atoms
  • Molecules
  • Organelles
  • Cells life starts here
  • Tissues
  • Organs
  • System
  • Organism
  • Population
  • Community
  • Ecosystem
  • Biosphere

13
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