Hominid Skull Lab

Hominid Skull Lab (Academic) Conclusion Questions

1a. List the THREE hominid skulls (NOT chimpanzee or gorilla) that have the smallest cranium size. (1 pt)

1b. List the THREE hominid skulls (NOT chimpanzee or gorilla) that have the lowest facial slope in degrees. (1 pt)

1c. Based on your answers above what is the relationship between cranium size and facial slope of the different skulls? (1 pt)

2. Arrange the names of the skulls in order from most primitive (ape-like) to most advanced (human-like) using the collected data. (3 pts)

(1)gorilla/chimp (2)______(3)______(4)______(5)______(6)______(7)______(8)______(9)______(10)human

3. Which of your collected data did you rely on the most to answer question #2? EXPLAIN why you used this data. (3 pts)

4. How does your collected data for both forehead size and prognathism support your answer to question #2? EXPLAIN your answer and support with examples from your data table. (3 pts) 5. Complete the Family Tree assessment. Use this as a guide once you complete the tree to answer the remaining questions. (10 pts) MYA 1.0 ------

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6. Use TWO forms of collected data to EXPLAIN the processes you used to determine the location of the two new hominid species on the family tree. (4 pts)

7. Use TWO forms of collected data to EXPLAIN why scientists have placed the hominid species A, B, C, and D in the genus Australopithecine (primitive hominids) and all of the other hominid species (E, F, G, H, I and humans) in our genus Homo. (4 pts)