Project #15067 - Physical Anthropology

Lab 3: Early Hominids

 

Objective: To discern and explain evolutionary trends in early hominids (pre-Homo), based on specifics of morphology/anatomy and their relations to behavior.

 

Materials: course text and Virtual Laboratories, 4th ed., Labs 5, 7, and 8.

 

Procedure:

1.       Comb through chapters 10 and 11 of the text; More on Early Hominids (in Content: this is essential to include); Virtual Lab 5, section 3 (muscles and cranium and mandible); Virtual Lab 7, section 2 (fossilization) and section 3 (primate phylogeny, with an excellent explanation of cladistics); and Virtual Lab 8, all 3 sections.

2.       You are looking for information on three features: dentition and dietary/food preferences; sexual dimorphism and (possible) social behavior; and one other significant feature of early hominid fossils that opens a window on long-term evolutionary trends.

3.       Write this down for yourself. I don’t need your notes as part of the writeup you turn in, but you need to keep all this information organized, precise, and complete and will need paper to do so.

4.       As you are doing all of the above, decide which ONE of the following evolutionary chains you have enough interest AND information about to answers the central question in the writeup (below):

a.       ramidus-anamensis-afarensis,

b.      anamensis-afarensis-africanus,

c.       anamensis-afarensis-aethiopicus, or

d.      afarensis-aethiopicus-boisei.

 

Writeup: Here’s the question/subject you actually answer and submit to the Dropbox (with a complete heading and title and double-spaced): For each of the species in you hominid chain, summarize the data in each of the three features stipulated under #2 above, so that you provide a clear picture of each species. Also explain how life changed—and didn’t—for the second species compared to the first and for the third species compared to the second, based on your info./data. Your final paragraph should state clearly what evolutionary trends your analysis of species and the transitions between them add up to. Note that these trends may be very clear, fragmentary or piecemeal.

 

                Think carefully about how to set up your report, in terms of its paragraph structure.

a.       species 1-species 2-species 3-changes from 1 to 2-changes from 2 to 3-evolutionary trends; or

b.      feature 1 for all 3 species (longer paragraphs this way)-feature 2 for all 3-feature 3 for all 3-evolutionary trends; or

c.        a or b with the evolutionary trends paragraph first; or

d.      whatever design works most effectively for you.

 

MUST BE 800 TO 1000 WORDS.

Subject Science
Due By (Pacific Time) 10/22/2013 01:00 pm
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