121 / 121
Distribution of Perching Birds
Least
Greatest
Number of
Species
Pat Canova/Alamy
REVISIT THE PHENOMENON
What happens to this
ecosystem if the river is
destroyed?
CER
Claim, Evidence, Reasoning
Explain Your Reasoning
Revisit the claim you made when you encountered the
phenomenon. Summarize the evidence you gathered from your investigations and
research and finalize your Summary Table. Does your evidence support your claim? If not,
revise your claim. Explain why your evidence supports your claim.
STEM UNIT PROJECT
Now that you’ve completed the module, revisit your STEM unit project. You will
apply your evidence from this module and complete your project.
Module Wrap-Up
C
C
C
S
E
P
D
C
I
THREE-DIMENSIONAL THINKING
*Data obtained from: Pimm, S.L. and Brown J.H.
2004. Domains of diversity.
Science
304:
831–833.
GO FURTHER
Data Analysis Lab
How is the biodiversity of perching birds distributed in the
Americas?
The distribution of birds, like that of other species, is not even.
Perching birds appear to be more concentrated in some areas of the
Americas than others.
Data and Observations
Use the map to answer the following
questions about the biodiversity of perching birds.
CER
Analyze and Interpret Data
1.
Determine
the location of the highest concentration of perching
birds.
2.
Generalize
the trend in the number of perching birds as you
move from Canada to South America.
3.
Claim, Evidence, Reasoning
Why does the number of perching
birds change as you move toward the southern tip of South
America?
Module 5 • Biodiversity and Conservation
123