Reading Cladogram Mini Lab
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by Kathy Egbert
| 17 Questions
1
1
Last Name First Name
2
1
Class Period
Functionalized Placeholder
3
4
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10
11
12
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15
16
3
1
This refers to the trait that is shared by all organisms in this cladogram. Node #1 is the trait
4
1
Node #4 referes to what trait in all organisms above it
5
1
Node #5 refers to what trait in all organisms above it
6
1
Node #6 refers to what trait in all organisms above it
7
1
2. How many traits does dinosaur F share with dinosaur C?
8
1
How many traits does dinosaur F share with dinosaur D?
9
1
How many traits does diinosaur F share with dinosaur E?
10
1
3. Dinosaurs A and B form a grouping called a clade. The dinosaurs A, B, and C form another clade. What derived trait is shared only by the A and B clade? (must type it accurately to get credit)
11
1
What derived trait is shared only by the A, B, and C clade?
12
1
What derived trait is shared only by the D, E, F, and G clade?
13
1
4. Traits that evolved very early, such as the hole in the hip socket, are called primitive traits. The traits that evolved later, such as a grasping hand, are called derived traits. Are primitive traits typical of broader or smaller clades?
A broad
B small
14
1
Give an example by giving the letters of a clade:
15
1
Are derived traits typical of broader or smaller clades?
A broad
B small
16
1
Give an example by giving the letters of a clade: (Select only one of the two possible smallest clades for your answer.)
17
1
Which organism is the most closely related to organism D?
A A and B
B C
C E
D F & G
Broad vs smaller clades refers to the breadth of the "V" formed by the organisms in the clade. Broad would be a "V" that is very wide; small would be a "V" that is not very wide.
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