Embryological Similarities

Last updated almost 5 years ago
31 questions
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WARM-UP: How does comapring the anatomy of different types of animals support evolution?

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Who's the Discussion Leader?
*Starts discussions
*Notes who participates
*Asks others to share ideas
*Keeps the Conversation on track

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Who's the Screen-sharer?
*Needs a strong internet signal
*Shares screen for all to see
*Types agreed-upon answers/notes for all to see/copy

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Who's the Time Manager & Reporter?
*Keeps track of time
*Monitors time left for each activity
*Warns group when time is almost out
*Shares the requirements for the activity with the group
*Calls teacher for help if needed
*Shares out to the main group

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Label image A

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Label image B

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Label image C

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Label image D

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Which image above do you think is human? Explain.

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What do the images have in common at stage 1?

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At this point, are you able to tell which animal is which?

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Explain.

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Stage 1 Predictions

  • Chicken
  • Fish
  • Human
  • Mouse
  • Frog
  • A
  • B
  • C
  • D
  • E
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Stage 4 Predictions

  • Chicken
  • Fish
  • Human
  • Mouse
  • Frog
  • A
  • B
  • C
  • D
  • E
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Stage 8 Predictions

  • Chicken
  • Fish
  • Human
  • Mouse
  • Frog
  • A
  • B
  • C
  • D
  • E
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Stage 13 Predictions

  • Chicken
  • Fish
  • Human
  • Mouse
  • Frog
  • A
  • B
  • C
  • D
  • E
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Stage 16 Predictions

  • Chicken
  • Fish
  • Human
  • Mouse
  • Frog
  • A
  • B
  • C
  • D
  • E
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Stage 20 Predictions

  • Chicken
  • Fish
  • Human
  • Mouse
  • Frog
  • A
  • B
  • C
  • D
  • E
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Stage 23 Predictions

  • Chicken
  • Fish
  • Human
  • Mouse
  • Frog
  • A
  • B
  • C
  • D
  • E
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Did you guess correctly in the end?

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At which stage were you able to tell which was which?

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Explain.

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What structure does all of the embryos have in common?

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What do all of the embryos have in common at this stage?

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What structure does all five embryos have in common?

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What structures are missing from the frog and fish?

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What structure does mice and humans have in common that are missing from the other organisms?

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Looking at the similarities and differences between the organisms throughout development, which organisms are more closely related to one another?

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Looking at the similarities and differences between the organisms throughout development, which organisms are more distantly related to one another?

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Explain.

10

How do the similarities and difference between embryos provide evidence that evolution has occured?