Evidence of Biological Evolution

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Evidence of Biological Evolution
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• Scientists look at many kinds of data to try to
  piece together the evidence of the ______________
  of organisms
• They look at
• ___________
• ________________ of Organisms
• ______________ Information
• _______________ of organisms on ___________

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Fossil Evidence

• ____________ are preserved remains of ___________
  of organisms that lived in the _______.
• Scientists can use ______ _________ to determine
  how _____ fossils are (and vice versa)

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Fossil Evidence

• A series of _________ _________ found in
  __________ _________ can show how organisms
  ___________
• ______ ________ (EVOLVED)
• Examples
• Land Mammal Whales
• Dinosaurs Birds

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Structural Evidence

• Many species have __________ structures.
• Example Feathers
• Scientists study the following structures to see
  how organisms __________
• _________________ Structures
• _________________ Structures
• _______________ Structures
• ____________

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Homologous Structures

• Body ______ of _______ organisms that have a
  similar _________, but ____ necessarily a similar
  _________.
• These structures indicate that they _________
  from a __________ ancestor.

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Analogous Structures
Analogous Structures are body parts that have a
similar _________ but not a similar _________.
They do ________ have a ____________ ancestry.
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Vestigial Structure

• Body parts that do _____ play a role in the body.
• Wisdom Teeth in Humans
• The Human Tailbone (Coccyx)
• The Wings on Flightless Birds

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Embryology

• Embryology is the study of the _______
  ____________ of an organism.
• _________ of _________ organisms ___________ in
  similar ways

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Genetic Evidence

• Scientists will study ___ to learn how organisms
  __________.
• How DNA is _________ will determine an organisms
  _________.
• ______________ in the DNA __________ can show a
  common _____________.
• The more _____________ found in the DNA
  ___________, the more __________ the __________
  ____________ from a common _____________.

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Location

• The _______ where _________ are _________ can
  also be evidence of ____________.
• A great example of this is the ____________
  Islands.
• Also the movement of the _________ plates have
  shown how organisms evolved
• __________ places such as Australia

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Australian Animals