Cladogram Analysis Worksheet
This worksheet helps Grade 11 science students understand and interpret cladograms, focusing on evolutionary relationships and shared derived characteristics.
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Cladogram Analysis Worksheet
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Read each question carefully and answer to the best of your ability. Refer to the provided cladogram for questions 1-4.
Use the following cladogram to answer the questions below:
1. Which of the following organisms is the outgroup in the provided cladogram?
Fish
Amphibian
Mammal
Outgroup
2. Which characteristic is shared by Amphibians and Mammals, but not by Fish?
Vertebrae
Four Limbs
Hair
None of the above
3. A cladogram is a diagram that shows the evolutionary relationships among groups of organisms, based on shared characteristics.
4. The point where two branches diverge on a cladogram represents a ancestor.
5. Explain the difference between an ancestral character and a derived character in the context of a cladogram.
6. The length of the branches on a cladogram always indicates the amount of evolutionary time.
True
False