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Zool 220 Question Paper

Zool 220 

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2009



COURSE CODE: ZOOL 220
COURSE TITLE: INTRODUCATION TO ANIMAL ECOLOGY
STREAM: Y2S2 & SESSION II

INSTRUCTIONS:
Answer ALL questions from SECTION A and any TWO from SECTION B

SECTION A (40marks)

Q1. Explain the meaning of the following terms

a) First law of thermodynamics (2marks)
b) Biodiversity (2marks)
c) Global warming (2marks)
d) Ecosystem (2marks)

Q2. Giving examples, differentiate, between the following
a) Primary producers and decomposers (2marks)
b) Potential niche and achieved niche (2marks)
c) Inter-specific and intra-specific competition (2marks)
d) Food chain and food web (2marks)

Q3 Describe the role of micro-organisms in the nitrogen cycle (8marks)

Q4. Explain the ecological relationship between Mau forest and the
Population of Flamingoes in Lake Nakuru (8marks)

Q5 Describe;
a) Primary succession (4 marks)
b) Predator- prey relationship (4 marks)


SECTION B (30 marks)

Q6 Illustrate and describe energy flow in an ecosystem (15 marks)

Q7 Discuss the influence of man on terrestrial ecosystems (15 marks)

Q8 Discuss abiotic factors that influence abundance and distribution of animals
(15 marks)




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