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Biological Hierarchy
Organization
• Biological organization is based on a
hierarchy of structural levels
• Each level of biological organizatio...
Atom
the smallest
part of an
element
(92 natural)
Molecule
A chemical structure made of
bonded atoms
Organelle
A structural
component of a cell
Cell
Life’s fundamental
unit of structure
and function
Tissue
A group of similar cells
with similar function
Organ

Specialized body parts
made of tissues
Organ
System

Multiple organs working
together to carry out life
functions
Organism
An individual
living thing
Population
All individuals of
a species in a
particular area
Community
All organisms in
an ecosystem
Ecosystem
All living and nonliving things in a
particular area
Biosphere
All environments
on Earth
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Biological hierarchy v.2

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Lesson in Biological Hierarchy for high school. Slides begin with vocabulary term only and elaboration is flown in after the class has discussed the photo a bit.

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Biological hierarchy v.2

  1. 1. Biological Hierarchy
  2. 2. Organization • Biological organization is based on a hierarchy of structural levels • Each level of biological organization has distinct properties
  3. 3. Atom the smallest part of an element (92 natural)
  4. 4. Molecule A chemical structure made of bonded atoms
  5. 5. Organelle A structural component of a cell
  6. 6. Cell Life’s fundamental unit of structure and function
  7. 7. Tissue A group of similar cells with similar function
  8. 8. Organ Specialized body parts made of tissues
  9. 9. Organ System Multiple organs working together to carry out life functions
  10. 10. Organism An individual living thing
  11. 11. Population All individuals of a species in a particular area
  12. 12. Community All organisms in an ecosystem
  13. 13. Ecosystem All living and nonliving things in a particular area
  14. 14. Biosphere All environments on Earth

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