Bone Bonanza Lab 10/30/13 Forensic Science

No Drill – Drill Quiz Put the HW questions on your desk Take out a sheet of notebook paper. Write the following drills (Question AND Answer): Pd. 3 – 9/23, 10/1, 10/17 Pd. 5 – 9/24, 10/2, 10/16 Pd. 6 – 9/25, 10/9, 10/16

Objective IWBAT Identify the bones of the skeleton Determine age and gender of a skeleton

John Wayne Gacy How did forensic anthropologists help solve the case?

TOES 2. FOOT 3. COLLAR BONE 4. HANDS 5. KNEES 6. SKULL or HEAD Quick Quiz – Give the common name for each bone. I should have known it was going to be one of those days, when I had stepped out of bed and stubbed my (1) PHLANGE on the night stand. While hopping up and down on one (2) METATARSAL and grasping the other, I slipped and fell onto my right shoulder breaking my (3) CLAVICLE. As I crawled on my (4) METACARPALS and (5) PATELLAS to my bed, I felt my (6) CRANIUM begin to ache. I found my phone and let my (7) PHLANGES do the walking as I called my friend to come help me out. My friend answered the phone with a loud scream; my (8) MANDIBLE dropped, I asked what had happened, and he replied that he had been startled by the ringing phone, fell out of bed landed on his (9) COCCYX. Following that while racing to the phone he hit his (10) TIBIA on a stool. I should have known it was going to be one of those days. TOES 2. FOOT 3. COLLAR BONE 4. HANDS 5. KNEES 6. SKULL or HEAD 7. FINGERS 8. LOWER JAW 9. TAIL BONE 10. SHIN Source: http://www.homepage.montana.edu/~mtpbs/Education/NTTILessonPlans2/LegBoneConnectedToThe/NTTILegBoneConnectedToThe.pdf

Bone Bonanza! Finish the Bone Bonanza lab. Make sure to turn in: Sheet with bones glued to it (all group member names) Lab sheet with questions answered

Skull Dimorphisms Male and Female

Male and Female Skulls Male Points of Comparison Female Heavier and more rugged General Architecture Lighter and less rugged Squared, small Eye Openings Rounded, large Prominent and heavy Brow Ridges Smooth and flat Heavier and laterally arched Cheekbones Lighter, lack lateral arching

Male and Female Skulls Male Points of Comparison Female Occipital bump at the base of the skull Occipital Condyle Almost non-existent Letter U Chin Shape Letter V Sloping, less round Forehead Vertical, fuller

Sex Characteristics of Pelvis Male and Female

Male and Female Pelvis Male Points of Comparison Female Heavy and Thick General Structure Light and thin Large Joint Surfaces Small Well marked Muscle Attachment Rather indistinct Deep Greater Pelvis Shallow

Male and Female Pelvis Male Points of Comparison Female Heart shaped Pelvic Inlet Circular Comparatively small Pelvic Outlet Comparatively Large The superior surface of the body spans nearly half the width of the sacrum. First Piece of Sacrum The superior surface of the body spans almost 1/3 the width of the sacrum.

Male and Female Pelvis Male Points of Comparison Female Long, narrow, with smooth concavity Sacrum Short wide, flat, curving forward in lower part Less than 90 degrees Pubic Arch Greater than 90 degrees

Bone Review http://www.free-anatomy- quiz.com/skeleton.html