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Date: 3/30/2011 Time: 9:00 and 12:00 Essential Questions:  What forces cause changes in organisms? Today's Subject Area  :  Evolutionary Forces Today’s topic :  What changes over time? Required Materials: Have paper and pencil/pen ready to work and take notes . The mission of the Georgia Cyber Academy is to provide an exemplary educational experience to students in a unique and individualized setting . WELCOME TO MRS. COPE AND MRS. MEDLEY’S CLASS
2007-2008 Evolutionary Forces What changes populations?
STANDARDS   S7L5 ,[object Object],[object Object]
Natural selection ,[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Evolution is…
Forces of evolutionary change ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],Natural selection
Predation  Selection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Physiological Selection ,[object Object],[object Object],[object Object],[object Object],[object Object],HOT STUFF ! Some fish had the variation of producing anti-freeze protein The Antarctic Ocean freezes over
Sexual Selection ,[object Object],[object Object],[object Object],[object Object],Survival doesn’t matter if you don’t reproduce ! Organisms want their genes  prevail and live on!
The lion’s mane… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Coevolution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Genetic Drift  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Founder effect ,[object Object],[object Object],[object Object],[object Object],[object Object],albino deer Seneca Army Depot
Distribution of blood types ,[object Object]
Bottleneck effect ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cheetahs  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],                Write your response here:
[object Object],[object Object],[object Object],[object Object],[object Object],                Write your response here:
[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
Any Questions??                 Write your response here:                  Write your response here:                  Write your response here:                  Write your response here:                  Write your response here:                  Write your response here:                  Write your response here:                  Write your response here:                  Write your response here:                  Write your response here:  3.   4.   10.  
Independent Practice! Study Island Assignment: Subject: Life Science Topic: Evolution Lesson: 3h (review – already completed!) OLS Assignment : Subject: Adaptation and Change Unit: Unit 8: Lesson 1-6 ADVANCE : Unit 3Lesson 1 ,2, 3, 5 and 6 AND
Thank you for attending today! ,[object Object],[object Object]

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3 30 natural selection review 2

  • 1. Date: 3/30/2011 Time: 9:00 and 12:00 Essential Questions: What forces cause changes in organisms? Today's Subject Area : Evolutionary Forces Today’s topic : What changes over time? Required Materials: Have paper and pencil/pen ready to work and take notes . The mission of the Georgia Cyber Academy is to provide an exemplary educational experience to students in a unique and individualized setting . WELCOME TO MRS. COPE AND MRS. MEDLEY’S CLASS
  • 2. 2007-2008 Evolutionary Forces What changes populations?
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21.
  • 22.
  • 23.
  • 24. Any Questions??             Write your response here:             Write your response here:             Write your response here:             Write your response here:             Write your response here:             Write your response here:             Write your response here:             Write your response here:             Write your response here:             Write your response here: 3.   4.   10.  
  • 25. Independent Practice! Study Island Assignment: Subject: Life Science Topic: Evolution Lesson: 3h (review – already completed!) OLS Assignment : Subject: Adaptation and Change Unit: Unit 8: Lesson 1-6 ADVANCE : Unit 3Lesson 1 ,2, 3, 5 and 6 AND
  • 26.

Notas do Editor

  1. Even though it’s very hot to have a large mane the benefit of attracting mates and successfully producing & rearing young since you have that large mane outweighs the costs. Females who chose these males were more “successful” (more, healthier young) and therefore had a greater opportunity to pass on the trait of being attracted to longer darker manes to their daughters and the trait of having longer, darker manes to their sons.
  2. Small founder group, less genetic diversity than Africans All white people around the world are descended from a small group of ancestors 100,000 years ago (Chinese are white people!)
  3. South & Central American Indians were nearly 100% type O for the ABO blood system. Since nothing in nature seems to strongly select for or against this trait, it is likely that most of these people are descendants of a small band of closely related "founders" who also shared this blood type