Could you go over this assignment please?? The Hominins Beginning in the late Miocene and into the...

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Biology

Could you go over this assignment please??

The Hominins

Beginning in the late Miocene and into the early Pliocene,upright walking tendencies began to develop among the hominintribe. Upright walking tendencies slowly transformed into obligatebipedalism during the pliocene within the hominin lineage. Thisshift in locomotor strategy is notably marked by the gradual changein arm to leg ratio that we see when comparing early and laterhominins. Early hominins have short legs and very long arms whilelater hominins have longer legs and short arms.

Your task for this activity will be to compare and contrast thelocomotor strategies of the following two hominin species:Ardipithecus ramidus andAustralopithecusafarensis. You will accomplish this byanswering the following questions.

Before you begin make sure view all relevant readingmaterial so that you can give me informed opinions.

Which hominin had the best arboreal capabilities (look at bothupper and lower extremities)? Make sure you explain your answer andgive me at least one features that backup yourclaim. The feature that you choose has to be from lowerextremities.

Which hominins was the first to not just be anupright walker but an obligate biped (this means you have no choicebut to walk on two legs)? Make sure you explain your answer usingthe same feature that you used when looking at the other homininfor comparative purposes.

Lastly, I would like you to give a short summary of thenotable transformations in locomotor strategy that occurover time as seen from Ardipithecus ramidus toAustralopithecus afarensis.  

Answer & Explanation Solved by verified expert
3.9 Ratings (420 Votes)
The locomotion strategy of Ardipithecus ramidus and Australopithecus afarensis are different from each other in many ways The Ardipithecus ramidus were bipedal according to the fossil records and unlike the previous hominins it had a big toe that helped it in better grasping and hence better locomotion and climbing abilities across the trees They exhibited bipedalism    See Answer
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