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Biogeography(Geog 406)  Question Paper

Biogeography(Geog 406)  

Course:Education

Institution: Kenya Methodist University question papers

Exam Year:2013



TIME : 2 HOURS


INSTRUCTIONS
Answer any three questions
Question One
Define and write short concise notes on the following concepts as used in biogeography
Biodiversity
Island biogeography
An ecosystem
Species habitat
Biogeochemical cycle
(20 marks)

Question Two
What is biogeography?
(2 marks)
Explain four reasons why it’s important to study biogeography
(8 Marks)
Define the term a biome and give two examples of biomes
(4 Marks)
Draw, label and explain a simple food chain in a grassland ecosystem
(6 Marks)

Question Three
Distinguish by giving examples the terms ’species’ and ’speciation’
(4 marks)
Explain any four factors that may cause speciation of species
(16 Marks)

Question Four
Describe the process of biogeochemical cycle in a simple ecosystem
(8 Marks)
Explain four factors that influence community interactions in an ecosystem
(12 Marks)

Question Five
Describe the process of succession and climax in an aquatic environment
(8 marks)
(i) What is biotechnology?
(4 Marks)
(ii) Discuss any four ways in which man has manipulated nature technologically to meet his needs (8 Marks)






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