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Question
Biology
Posted 10 months ago
The skull on the left is a modern human (Homo sapiens). For the skull on the right (two views), what traits does it share with Homo sapiens? What traits appear more ancestral? Do you think this specimen is Homo sapiens?
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Answer from Sia
Posted 10 months ago
Answer
The skull on the right shares some traits with Homo sapiens but also exhibits more ancestral characteristics, suggesting it may not be Homo sapiens.
Solution
a
Shared traits with Homo sapiens: :
- Elongated cranium similar to Homo sapiens, indicating a larger brain size
- Pronounced brow ridge, which can be found in both modern humans and some ancestral species
b
Ancestral traits: :
- Less protrusive facial structure compared to Homo sapiens, which typically have a flatter face
- Smaller jaw, which is more characteristic of earlier hominins than the typically larger jaws of modern humans
c
Conclusion on species identification: :
The combination of shared and ancestral traits suggests that this specimen may represent a transitional form or a different species within the Homo genus, rather than a modern Homo sapiens
Key Concept
Comparative analysis of skull morphology
Explanation
By comparing the structural features of skulls, we can infer evolutionary relationships and identify traits that are characteristic of specific species within the Homo genus.

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