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Introduction To Animal Ecology Year 2010 Question Paper

Introduction To Animal Ecology Year 2010 

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2010



COURSE CODE: ZOOL 220
COURSE TITLE: INTRODUCTION TO ANIMAL ECOLOGY
STREAM: SESSION IV

INSTRUCTIONS:
 Answer ALL questions in section A and any two from section B

Answer ALL questions in section A and any two from section B

SECTION A (40marks)
Q1. Explain why the following are important in ecosystems: (6marks)
a) Dominant plants
b) Decomposers
c) Density dependent factors
Q2. Describe the role of micro-organisms in the nitrogen cycle (8marks)
Q3. a) Name two traits of pioneer species (2marks)
b) Give two reasons why there is existence of intermediate communities. (2marks)
c) What two characteristics can one expect to find in a climax community (2marks)
Q4. Construct a detailed hypothetical ecological pyramid with four trophic levels
(8marks)
Q5. Describe the general pattern of a logistic growth curve
(6marks)
Q6. Describe adaptations for reducing interspecific competition (6marks)


SECTION B (30marks)
Q7. Discuss the hydrological cycle (15 marks)
Q8. Discuss the influence of man on terrestrial ecosystems (15 marks)
Q9. Discuss abiotic factors that influence abundance and distribution of animals
(15 marks)




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