Making Cladograms
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by Kathy Egbert
| 24 Questions
Instructions - Page 1 of 2 - be sure to note the change in" D. Procedure: Step 1" which tells you about a change in the instructions
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a
b
Step 1 - change in instructions
Step 1 has already been completed for you on your worksheet. All you need to do is put the total number of "x"s in each of the columns (kangaroo, lamprey,....tuna).
Instructions - Pg 2 of 2
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Student Worksheet pg 1 of 2
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1
0
Last Name First Name
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0
Date
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0
Class Period
4
1
add up the total x's in the Kangaroo column, enter number
5
1
add up the total x's in the Lamprey column, enter number
6
1
add up the total x's in the Rhesus Monkey column, enter number
7
1
add up the total x's in the Bullfrog column, enter number
8
1
add up the total x's in the Human column, enter number
9
1
add up the total x's in the Snapping Turtle column, enter number
10
1
add up the total x's in the Tuna column, enter number
11
1
To fill in the Venn Diagram, follow instructions in "D. Procedure: Step 2" that begins on the second page of instructions above.
12
1
To fill in the Venn Diagram, follow instructions in "D. Procedure: Step 2" that begins on the second page of instructions above.
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1
To fill in the Venn Diagram, follow instructions in "D. Procedure: Step 2" that begins on the second page of instructions above.
14
1
To fill in the Venn Diagram, follow instructions in "D. Procedure: Step 2" that begins on the second page of instructions above.
15
1
To fill in the Venn Diagram, follow instructions in "D. Procedure: Step 2" that begins on the second page of instructions above.
16
1
To fill in the Venn Diagram, follow instructions in "D. Procedure: Step 2" that begins on the second page of instructions above.
17
1
To fill in the Venn Diagram, follow instructions in "D. Procedure: Step 2" that begins on the second page of instructions above.
Student Worksheet - pg 2 of 2
Complete questions 18-23 and then come back to #24 to put the organisms on the cladogram.
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h
18
1
probable relationships of the animals.
True
False
19
1
probable sequence of the origins of these animals.
True
False
20
1
derived characteristics of these animals.
True
False
21
1
This is a type of lizard making it a reptile like the turtle.
True
False
22
1
A rat-like animal would most likely be a placental mammal like the monkey.
True
False
23
1
This animal is probably a fish like the tuna.
True
False
Cladogram showing the effect of shared characteristics over time on a set of animals. Don't forget to come back to this cladogram on Question F and insert the three new animals.
24
20
Use "D. Procedure: Step 3" on the 2nd page of instructions to make a cladogram based on the data you tabulated and placed in the Venn diagram.

Abbreviate the animals that will be placed across the top of the cladogram by using the first letter of their name.
K= kangarro
L= lamprey
M= Rheus monkey
B= bullfrog
H= human
S= snapping turtle
T= tuna

After you have completed Question F. Return to this cladogram and put in lines for the 3 additional species. Use abbreviations:
I (for iguana-like), R (for rat-like), G (for goldfish like).

Use the Set Trait numbers for the nodes (#1-7) on the cladogram. You will have to add a hash mark (or circle or square) for each of the nodes. The cladogram backbone has been drawn for you.

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