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Biogeography  Question Paper

Biogeography  

Course:Bachelor Of Arts In Geography

Institution: Kenyatta University question papers

Exam Year:2009



KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
EDUCATION, BACHELOR OF SCIENCE AND BACHELOR OF ARTS

AGE 304: BIOGEOGRAPHY

DATE:
Monday 28th December 2009
TIME: 2.00pm ? 4.00pm

INSTRUCTIONS
Answer Question 1 and ANY TWO from the following FIVE questions.
1.
Explain the origin and development of biogeography. [30marks]
2.
a)
Define the first two laws thermodynamics. [2marks]
b)
Discuss the implications of these two laws on:
i)
Sustainable management of human population. [8marks]
ii)
Biotechnology development [8marks]
3.
Write an essay on the ecology of successful establishment of species in a recently created site. [20marks]
4.
a)
Illustrate the flow of energy in an ecosystem. [5marks]
b)
Illustrate the movement of nitrogen in an ecosystem. [5marks]
c)
Explain the role of man in losses and gains of nitrogen in an ecosystem. [10marks]
5.
Briefly describe the following concepts
a)
Mitigation of competition
[5marks]
b)
Predation.
[5marks]
c)
Mutualism.
[5marks]
d)
Commensalisms.
[5marks]




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