Human skeleton virtual lab

advertisement
Name:______________________________
/24pts)
Hr:______
Date:______________________
(
Life Science- Human Skeleton Virtual Lab
Go to http://www.pbs.org/wgbh/evolution/humans/humankind/index.html
Click on the top link called “Riddle of the Bones” in the upper right hand corner. Then complete the
answers below. (Zoom in to enlarge)
Click on How Did They Move in the yellow font? Some circles will show up.
1. Place your cursor over the circle to the far left. What type of bone does it say makes up the
human heel? (2pts) _________________ bone in order to withstand the
_____________________________________________________.
2. Now place your cursor on the second circle. The toe bones of the “first family” were
_______________ than the toes of modern humans. (1pt)
3. Now move your cursor to the circle below titled Lucy. In what way did Lucy’s pelvic bones
resemble those of a modern woman’s? (1pt)
________________________________________________________________
4. Now move the cursor to the circle titled Hadar Skull. Lucy’s arm bones were
_____________________ and _______________ in relation to human bones. (2pts)
Then click on Learn More in white font under “How did they move”.
5. Of all the primates that exist today which is the only one to walk fully upright? (1 pt)
____________________________
6. Lucy’s species like humans today maintained good balance because (1pt)
_____________________________________________________________________________________
7. What is the difference between a human knee and a chimp’s knee? (2pts)
________________________________________________________________________________
8. How did Lucy’s pelvic, hip, and thigh bones resemble a human skeleton today? (1pt)
_________________________________________________________________________________
9. Lucy’s shin bones or tibia descended (went) straight down to the ground. What did this allow her to
do?
________________________________________________________________________________(1pt)
Click Close Window and now click on What Did They Look Like? Again click on Learn More. Also click
on circular images of bones for more information.
10. What two things can be learned by examination of the teeth of a fossil like “Lucy”? (2 pts)
____________________________________ and ________________________________________
11. The bones of the hands and feet can also indicate age because the bones ________________
together as the ___________________________________________________ . (2pts)
12. List two things that help scientists differentiate between a male and female hominid fossil? (2 pts)
_____________________________________________________________________________________
_____________________________________________________________________________________
13. What 3 characteristics about a skull show if it is more “gorilla-like” than “human-like”? (3pts)
_____________________________________________________________________________________
Close Window and click on When Did They Live. Again click on Learn More.
14. What is meant by “stem” species? (1pt.)
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
15. What is the difference between Absolute Dating and Relative Dating? (2pts)
_____________________________________________________________________________________
_____________________________________________________________________________________
Download
Related flashcards
Create Flashcards