**Phylogenetic Tree Diagram Explanation** This image displays a phylogenetic tree, which is a diagram that represents the evolutionary relationships among various species. Each branch point, or node, represents a common ancestor shared by the descendant species. The species included in this tree are as follows: - **P. leucoptera** - **P. viridis** - **P. interjecta** - **P. dextralis** - **P. obscura** The nodes are marked with the numbers 1, 2, and 3, indicating significant evolutionary divergences: - **Node 1** is a common ancestor for all the listed species. - **Node 2** represents a divergence where the lineage leading to P. obscura splits off from the ancestor of the remaining species. - **Node 3** is the point where P. interjecta and P. dextralis share a common ancestor. **Statement for Consideration:** "P. interjecta and P. dextralis are both descendants of a common ancestor symbolized by the area marked 3." Options: A) True B) False In this phylogenetic context, the statement is **True** as P. interjecta and P. dextralis do indeed share the node marked as 3, indicating a common ancestor.
**Phylogenetic Tree Diagram Explanation** This image displays a phylogenetic tree, which is a diagram that represents the evolutionary relationships among various species. Each branch point, or node, represents a common ancestor shared by the descendant species. The species included in this tree are as follows: - **P. leucoptera** - **P. viridis** - **P. interjecta** - **P. dextralis** - **P. obscura** The nodes are marked with the numbers 1, 2, and 3, indicating significant evolutionary divergences: - **Node 1** is a common ancestor for all the listed species. - **Node 2** represents a divergence where the lineage leading to P. obscura splits off from the ancestor of the remaining species. - **Node 3** is the point where P. interjecta and P. dextralis share a common ancestor. **Statement for Consideration:** "P. interjecta and P. dextralis are both descendants of a common ancestor symbolized by the area marked 3." Options: A) True B) False In this phylogenetic context, the statement is **True** as P. interjecta and P. dextralis do indeed share the node marked as 3, indicating a common ancestor.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:**Phylogenetic Tree Diagram Explanation**
This image displays a phylogenetic tree, which is a diagram that represents the evolutionary relationships among various species. Each branch point, or node, represents a common ancestor shared by the descendant species. The species included in this tree are as follows:
- **P. leucoptera**
- **P. viridis**
- **P. interjecta**
- **P. dextralis**
- **P. obscura**
The nodes are marked with the numbers 1, 2, and 3, indicating significant evolutionary divergences:
- **Node 1** is a common ancestor for all the listed species.
- **Node 2** represents a divergence where the lineage leading to P. obscura splits off from the ancestor of the remaining species.
- **Node 3** is the point where P. interjecta and P. dextralis share a common ancestor.
**Statement for Consideration:**
"P. interjecta and P. dextralis are both descendants of a common ancestor symbolized by the area marked 3."
Options:
A) True
B) False
In this phylogenetic context, the statement is **True** as P. interjecta and P. dextralis do indeed share the node marked as 3, indicating a common ancestor.
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