Objective: SWBAT identify the relationship between independent and dependent variable in multivariable data tables by analyzing the changes in graphic data
Do Now:
Question 1
1.
What is the independent variable in this investigation?
“If I change ________ (IV), then __________ (DV)
Guided Notes:
Question 2
2.
What claim does the text/question make?
- ANSWER: Birds and bats have similar features such as forearms, but also clear differences.
How does the image support or refute the claim made by the text/question?
The text tells me that the bird and bat have similar forearms but wings are made from much different material. In the image I can see that the the birds have feathers and the bat is covered by skin.
Question 3
3.
Which option BEST describes the evolution of these features of bats and birds?
Practice:
Question 4
4.
What claim does the text/question make?
Question 5
5.
How does the image support or refute the claim made by the text/question?
Question 6
6.
An index fossil is useful to determin the ages of different organisms. Which of the folling fossils would make the BEST index fossil?
Exit Ticket:
Question 7
7.
What claim does the text/question make?
Question 8
8.
How does the image support or refute the claim made by the text/question?
Question 9
9.
Based on both figures, what can be inferred about the limbs of a bat and a bird?
The mass of the car
The forearms of the birds and bats are not similar in function, so this feature did not come from a common ancestor. The wings of the birds and bats are similar so this feature did not come from a common ancestor.
Bats and birds are both relted to frogs and other amphibians
Bat ancestors are more closely related to humans than to birds
Bat and birds developed wings and flight seperately from each other.