Putting It All Together

1
Putting It All Together

• Catalyst
• Owls have a gene that makes them brown or black.
  Mice (owls prey) can see brown owls better and
  escape.
• What is the environmental pressure?
• What will happen to the gene that causes owls to
  be brown? Why?
• Over thousands of years, how will owls evolve?

Write in complete sentences! Dont talk during
the Catalyst!
2
Quiz-Quiz-Trade

• Find a partner. Quiz them with your question on
  your notecard. If they cant get it right, coach
  them (coaching is not telling them the answer!)
• Then your partner quizzes you.
• Once you have each successfully answered your
  question, trade your notecards. Then raise your
  hand.
• High-five someone with a raised hand. BAM! Youre
  now partners.

3
Evidence for Evolution

• The more related organisms are, the more DNA they
  share with each other.
• If an organism shares 50 of its DNA with Animal
  A and 77 of its DNA with Animal B.
• It is more related to animal

B
4
Fossils

• Where is the oldest fossil?
• Where is the most
• complex fossil?
• Where would you find a transitional fossil
  between a fossil found in layer A and C?
• Where would you find a transitional fossil
  between a fossil found in layer D and B?

A
B
C
D
E
5
Homologous Structure

• Same structure, same position. These organisms
  had a recent common ancestor.

6
Analagous Structure

• Same structure, but no recent common ancestor.
  These organisms evolved in similar environments.

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Vestigial Structure

• Useless structure. Organism used to live in a
  different environment.

8

• Directions Circle the FISH, CAT, SNAKE, and
  HUMAN.
• What EVIDENCE did you use to make your choices?

9

• Directions Circle the FISH, CAT, SNAKE, and
  HUMAN.
• What EVIDENCE did you use to make your choices?

10

• Directions Circle the FISH, CAT, SNAKE, and
  HUMAN.
• What EVIDENCE did you use to make your choices?

CAT
FISH
HUMAN
SNAKE
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GET GOING ON THE REVIEW SHEET!

• GET READY FOR GAMEDAY!

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Exit Question

• The picture above illustrates an octopus.
• Identify one adaptation the octopus possesses.
• Explain why this is an adaptation.
• Remember to be an adaptation, two things must be
  true! Explain them!

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