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
Structural comparisons:
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.

What similar structures do you see?
What different structures do you see?
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