Phylogenetic Tree Worksheet
Grade 11 Science worksheet covering the fundamentals of phylogenetic trees, their interpretation, and construction.
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Phylogenetic Tree Worksheet
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Read each question carefully and provide your best answer. For multiple-choice questions, circle the correct option. For short answer questions, use the lines provided.
1. What does a node on a phylogenetic tree represent?
A homologous trait
A common ancestor
A derived characteristic
A terminal taxon
2. Which of the following is NOT a type of data used to construct phylogenetic trees?
Morphological features
Behavioral patterns
Genetic sequences
Astrological signs
3. A group of organisms that includes a common ancestor and all of its descendants is called a group.
4. The evolutionary history of a species or group of species is known as its .
5. All phylogenetic trees are rooted, meaning they have a single ancestral node.
True
False
6. Analogous structures are evidence of shared ancestry and are used to construct phylogenetic trees.
True
False
7. Explain the difference between homologous and analogous structures in the context of phylogenetic trees.
8. Describe the concept of an 'outgroup' and its importance in constructing phylogenetic trees.