Phylogenetic Tree Exploration
Explore the concept of phylogenetic trees and how they represent evolutionary relationships between organisms.
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Phylogenetic Tree Exploration
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Read each question carefully and answer to the best of your ability. This worksheet will test your understanding of phylogenetic trees and evolutionary relationships.
1. What does a phylogenetic tree illustrate?
The physical size of organisms
The evolutionary relationships between different species
The diet of various animals
The geographic location where species live
2. What do the branches on a phylogenetic tree represent?
Different habitats
Lines of evolutionary descent
The age of individual organisms
The number of offspring a species has
3. The point where two branches split on a phylogenetic tree represents a common .
4. Organisms that are closely related on a phylogenetic tree share a more recent .
5. All life on Earth shares a single common ancestor.
True
False
6. A phylogenetic tree always shows which species are stronger or more advanced.
True
False
7. Briefly explain why scientists use phylogenetic trees.
8. Describe one piece of evidence that scientists use to determine evolutionary relationships.
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