10/14/11 and 10/17/11
TRANSCRIPT
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DATE: 10/14/11 A/B DayLEQ: How is geologic evolution related to biologic evolution? 1. What is extinction? 2. A rock is dated between 300 and 500 years old. Is
this an example of relative or absolute dating?3. Explain your answer from #2.4. What is an index fossil?5. What is the difference between weathering and
erosion?
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CONTEXT CLUES:1. My ancestors were American Indians. Even
though I do not speak the native language, I am so proud of my ancestry!
2. My dog’s offspring all look exactly like my dog! Even though they are still puppies, they have the same spots!
3. Over time, my opinion has evolved. At first, I thought the Mavericks were going to win, but not I think the Lakers are going to win.
Stop and Jot: Write your own definition of
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Check your definitions!
Ancestor: a parent or other older blood relative
Offspring: children
Evolution: change over time
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Watch and Write!
• Dance Video
FIRST CELL PHONE
CELL PHONES TODAY
Question: What has happened to dancing and cell phones over time??
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What is “geologic
evolution”?
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Geologic Evolution
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Vocabulary Sheet:
Which of our vocabulary words relate to geologic evolution?
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Remember this page?!
UNIT 1: Earth’s History
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Geologic Evolution
MAKE YOUR OWN BUBBLE MAP!(use your vocabulary sheet!)
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Today’s LEQ: How is geologic evolution
related to biologic evolution?
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Today’s LEQ: How is geologic evolution related to biologic
evolution? By the end of today, you should be able to…
1. Describe how species evolve from a common ancestor over time
2. Explain how survival of the fittest results in adaptations
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Focus Vocabulary
37. Evolution38. Natural Selection39. Survival of the fittest40. Common Ancestor41. Adaptation
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Geologic Evolution:
Biologic Evolution:
Adaptation: Natural Selection:
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Geologic Evolution
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Biologic Evolution:
Geologic Evolution: the ways that the earth changes over time
Natural Selection:Adaptation:
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Biologic Evolution
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Biologic Evolution: the ways that species change over time
Geologic Evolution: the ways that the earth changes over time
Natural Selection:Adaptation:
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Think-Pair-Share
What adaptations does this animal have that helps it survive in its
environment?
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Think-Pair-ShareWhat adaptations do these animals have that help
them survive in their environment?
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Think-Pair-ShareWhat adaptations do these animals have that help
them survive in their environment?
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Biologic Evolution: the ways that species change over time
Geologic Evolution: the ways that the earth changes over time
Natural Selection:Adaptation: a physical trait inherited from a common ancestor
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COMMONANCESTOR
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FIND THE COMMON ANCESTOR!!!
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Biologic Evolution: the ways that species change over time
Geologic Evolution: the ways that the earth changes over time
Natural Selection:Adaptation: a physical trait inherited from a common ancestor
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HOT QUESTION #2
• Fossils have shown that ancient frogs had gills similar to modern day fish. This fact can be best explained by which of the following:
a. radiometric datingb. extinctionc. evolutiond. climate change
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You should be:
Natural Selection Example
• Which rabbit has a better chance of surviving in the North Pole? Why?
• Thinking silently.
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All the brown rabbits die
Only one white rabbit dies
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White rabbits have babies
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Now we have ALL white rabbits!
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PEPPERED MOTHSpre-industrialization
Which moth would be more likely to survive? WHY???
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PEPPERED MOTHSpost-industrialization
Which moth would be more likely to survive? WHY???
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Biologic Evolution: the ways that species change over time
Geologic Evolution: the ways that the earth changes over time
Natural Selection:Adaptation: a physical trait inherited from a common ancestor
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Natural Selection: certain traits that help a species survive become more common over time (also called “Survival of the Fittest”)
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What adaptations would increase survival in this environment?
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What adaptations would increase survival in this environment?
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What adaptations would increase survival in this environment?
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Pick a card, any card!• 1: Your environment temperature increases & green
fur is too dark. Your species becomes extinct. • 2: A new predator has invaded your environment.
This predator eats yellow species. If you have a yellow card without an X on it, sit down. If you have an X, you adapted strong leg muscles and outran the predator.
• 3: There was a flood that wiped out green Xs’ food sources. You couldn’t adapt fast enough! You go extinct!
• Everybody that’s left survived. You adapted to the changing environment!
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1. What were the different adaptations?2. How did your environment change?3. In the end, which adaptations were
“naturally selected”? (Which species was the fittest for the changing environment?)
4. Do you think that all of the species had a common ancestor? Why or why not?
THINK-PAIR-SHARE
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Brain Pop—Evolution
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SUMMARIZER ACTIVITY!
ForkasaurusSpoonbill PlatypusKnife Monster
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1. What adaptation allowed one animal to eat more than the other?
2. Which animal would be favored (chosen) by the process of natural selection?
3. How would you predict these animals to evolve over time? (Would some become extinct?)
4. What change in the environment would make an animal with a different adaptation to survive?
(Ex: what would have to happen in the environment in order for the knife monster to survive?)
5. Do you think these animals had a common ancestor? Why or why not?
SUMMARIZER