What is a basal taxon?
Understand the Problem
The question is asking for the definition and explanation of a 'basal taxon' in the context of biological classification or phylogenetics.
Answer
A lineage that evolved early from the root of a phylogenetic tree and remains unbranched.
The final answer is a lineage that evolved early from the root of a phylogenetic tree and remains unbranched.
Answer for screen readers
The final answer is a lineage that evolved early from the root of a phylogenetic tree and remains unbranched.
More Information
In phylogenetic studies, basal taxa are helpful for understanding the evolutionary history and relationships within clades.
Tips
A common mistake is confusing basal taxa with terminal taxa. Basal taxa are not the end points of branches, but rather they are early branches from the root.
Sources
- Phytogenetic Trees - Biology LibreTexts - bio.libretexts.org
- Phylogenetic Trees | Biology for Majors II - courses.lumenlearning.com
- Basal taxon - Vocab, Definition, and Must Know Facts - Fiveable - library.fiveable.me
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