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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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11. answer the picture

**Phylogenetic Trees and Order Artiodactyla**

The image presents two phylogenetic trees comparing the classification of whales, hippos, pigs, and other artiodactyls.

1. **"Within" Phylogenetic Tree**:
   - This tree groups whales with hippos, suggesting a close relationship.
   - The branching order is: Whales, Hippos, Pigs, and Other artiodactyls.

2. **"Without" Phylogenetic Tree**:
   - In this tree, whales are distinct, branching off separately from the other groups.
   - The branching order is: Whales, Hippos, Other artiodactyls, and Pigs.

**Question:**

If the "within" cladogram is correct, and whales remain classified in their own order, Order Cetacea, what becomes true of Order Artiodactyla?

- It is considered to be paraphyletic
- It is considered to be polyphyletic
- It is considered to be monophyletic
- It is incorporated into the order Cetacea
Transcribed Image Text:**Phylogenetic Trees and Order Artiodactyla** The image presents two phylogenetic trees comparing the classification of whales, hippos, pigs, and other artiodactyls. 1. **"Within" Phylogenetic Tree**: - This tree groups whales with hippos, suggesting a close relationship. - The branching order is: Whales, Hippos, Pigs, and Other artiodactyls. 2. **"Without" Phylogenetic Tree**: - In this tree, whales are distinct, branching off separately from the other groups. - The branching order is: Whales, Hippos, Other artiodactyls, and Pigs. **Question:** If the "within" cladogram is correct, and whales remain classified in their own order, Order Cetacea, what becomes true of Order Artiodactyla? - It is considered to be paraphyletic - It is considered to be polyphyletic - It is considered to be monophyletic - It is incorporated into the order Cetacea
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