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 13 DBE/November 2010<br />
NSC<br />
3.4 Study the diagrams below showing a process of evolution. DIAGRAMS 1, 2<br />
and 3 show the sequence of events that occurred in rabbit populations over<br />
many thousands of years.<br />
River<br />
1<br />
Gene flow<br />
2<br />
River<br />
Land slide<br />
Population A<br />
Population B<br />
3<br />
River<br />
No<br />
gene flow<br />
occurs<br />
Species X<br />
Species Y<br />
3.4.1<br />
3.4.2<br />
Name the evolutionary process represented by the sequence of<br />
events shown in DIAGRAMS 1, 2 and 3 above.<br />
Describe the process stated in QUESTION 3.4.1 using the<br />
diagrams above.<br />
(1)<br />
(5)<br />
(6)<br />
[30]<br />
TOTAL SECTION B: 60<br />
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