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:This image represents a phylogenetic tree diagram illustrating the evolutionary relationships between five different species based on certain anatomical features. The tree traces characteristics such as the absence of a tail, presence of human-like ears, a small nose, and other human-like features.
- **Species 4**: Characterized by the trait "no tail". This suggests an evolutionary path branching off early in the tree.
- **Species 2**: Shares the "no tail" trait and branches off next.
- **Species 3**: Characterized by "human ears" and a "small nose", indicating more derived features compared to the previous species.
- **Species 5**: Also has "no tail" and "human ears", branching from the main line after Species 3.
- **Species 1**: Displays more features indicative of further evolution, including "human ears", "round jaw", "small neck", and "angled brow".
The diagram is structured to show how these traits might have evolved over time, with species branching off from a common ancestor based on significant anatomical developments.
Transcribed Image Text:**Question 6**
**Homework • Unanswered**
**Briefly explain why your alternative phylogenetic tree of faces is less parsimonious than your original phylogenetic tree of faces.**
_No answer provided yet. The response area includes text editing tools such as heading styles, bold, italic, underline, subscript, and superscript options._
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A phylogenetic tree may be built using the morphological, biochemical, behavioural, or molecular features of the species or other groups.
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