P2Exam - Sci-Bono Discovery Centre
P2Exam - Sci-Bono Discovery Centre
P2Exam - Sci-Bono Discovery Centre
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Life <strong>Sci</strong>ences/P2 12 DBE/November 2010<br />
NSC<br />
3.3 Study the diagrams below of the upper jaw, skull and the foot of two<br />
organisms A and B. The diagrams are NOT drawn to scale.<br />
Organism<br />
Upper jaw<br />
Skull<br />
(bottom view)<br />
Foot<br />
Foramen magnum<br />
A<br />
Foramen magnum<br />
B<br />
3.3.1 With regard to the drawings above:<br />
(a)<br />
(b)<br />
Tabulate TWO visible differences between the upper jaws of<br />
organisms A and B.<br />
Name ONE visible difference between the feet of organisms A<br />
and B.<br />
(5)<br />
(2)<br />
3.3.2<br />
3.3.3<br />
Which organism (A or B) is more likely to be bipedal?<br />
Give a reason for your answer to QUESTION 3.3.2.<br />
(1)<br />
(2)<br />
(10)<br />
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