High School

Is Sivapithecus more similar to living African great apes or to living Asian great apes?

A. More similar to Asian great apes
B. More similar to African great apes

Answer :

Sivapithecus is more similar to living Asian great apes than African great apes. The correct option is a.

Sivapithecus is an extinct genus of apes that lived in the Miocene epoch in Asia. It is considered to be the ancestor of orangutans and is thus more closely related to living Asian great apes than to living African great apes such as chimpanzees, gorillas, and bonobos. The anatomical features of Sivapithecus' skull and teeth closely resemble those of orangutans, with a long face, large jaws, and thick tooth enamel.

Furthermore, the geographic and temporal distribution of Sivapithecus fossils is consistent with the evolution of orangutans in Asia. Therefore, Sivapithecus is generally regarded as a key species in the evolutionary history of the orangutan lineage, which is found only in Asia.

Therefore the correct answer is option a.

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Final answer:

Sivapithecus, an extinct primate, is generally considered more similar to the Asian great ape, particularly the orangutan, based on shared physical characteristics. However, ancestral relationships in primates are still actively researched.

Explanation:

Sivapithecus is a genus of extinct primates that is generally considered to be ancestral to the modern orangutan, which is an Asian great ape. So, between the two options, Sivapithecus is more similar to Asian great apes rather than African great apes. Sivapithecus and orangutans share many physical characteristics, including dental and skeletal features, which have been used as support for this view. However, it is important to note that ancestral relationships within the primate family tree continue to be a topic of active research and debate, with new discoveries potentially changing our understanding.

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