
Using careful observation, Describe at least two differences between these two limbs. Start with the hand bones.
Guided Model:

Yesterday's Exit Ticket:

Identify the descendants in the evoluntionary tree from yesterday's exit ticket.

Record your observations about the front limb of the dire wolf.
What environment do you think would make the front limb of the dire wolf an adaptive trait.

Record your observations about the front limb of the fruit bat.
What environment do you think would make the front limb of the fruit bat an adaptive trait.
Use the text descriptions as well as the images in the Structures Tab to answer the questions below.

What differences do you see between the animals above?
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