Part 1: Observing Species’ Front Limbs Record your careful observations of the zoomed-in illustrations of front limbs for the dire wolf, the fruit bat, and Titanotylopus
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Question 1
1.
Structural comparisons:
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Question 2
2.
Structural comparisons:
Goal: Discover and explain differences in a shared structure.
Do:
• Open Mammals Mode of the Sim and stay in Map View.
• Find Kutchicetus and Saber-Toothed Cat in the Fossils Collection and open their Study Windows.
• Use the text descriptions as well as the images in the Structures Tab to answer the questions below.
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Question 3
3.
What similar structures do you see?
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Question 4
4.
What different structures do you see?
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Question 5
5.
Why do you think this bone structure was different for each of the species? Make a hypothesis about the environments of the two species as supporting evidence.
CFS:
student describes the relationship between anatomical similarities and differences in animal species
student describes the environmental difference between animal species with a common ancestor based on body structures