Dental Formula and Features Quiz

What anatomical changes are associated with bipedalism?

Shape of the pelvis

Which hominin species had the smallest brain capacity according to the provided information?

Australopithecus

What is the significance of the 2:1:2:3 dental formula in early hominins?

Provides information on evolutionary lineage

Which hominin is associated with the 'Radiator theory' according to the text?

Homo erectus Signup and view all the answers

What does the term 'hominin' refer to based on the text?

Bipedal primates within the human lineage Signup and view all the answers

What is a common characteristic of dentition in early hominins?

2:1:2:3 dental formula Signup and view all the answers

What is a defining characteristic of early hominins?

Presence of honing P3 Signup and view all the answers

Which of the following traits is NOT commonly associated with hominins?

Presence of a Diastema Signup and view all the answers

What is the significance of a U-shaped palate in hominin dentition?

Indicates a primarily herbivorous diet Signup and view all the answers

Which trait is most indicative of hominin evolution?

Transition from robust to gracile jaws Signup and view all the answers

What role did tool-making play in early hominin evolution?

Enabled more efficient food processing Signup and view all the answers

How did brain size contribute to hominin evolution?

Enhanced cognitive abilities and problem-solving skills Signup and view all the answers

What feature of Ardipithecus Ramidus supports the body weight when moving along branches?

Powerful arms Signup and view all the answers

Which of the following is a feature consistent with bipedalism in Ardipithecus Ramidus?

Flat feet lacking arches Signup and view all the answers

What derived feature in the pelvis of Ardipithecus Ramidus distinguishes it from chimpanzees?

Sciatic notch similar in size to later hominins Signup and view all the answers

Which dentition feature in Ardipithecus Ramidus is ape-like?

Large canines and molars Signup and view all the answers

How did the upper canines of Ardipithecus Ramidus appear?

Shaped like diamonds Signup and view all the answers

Which feature of Ardipithecus Ramidus indicates a lack of knuckle-walking ability?

Relatively flat feet Signup and view all the answers