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Zool 301: Animal Systematics And Evolution Question Paper

Zool 301: Animal Systematics And Evolution

Course:Bachelor Of Education Science

Institution: Chuka University question papers

Exam Year:2013

CHUKA

UNIVERSITY

UNIVERSITY EXAMINATIONS
THIRD YEAR EXAMINATION FOR THE AWARD OF DEGREE OF
BACHELOR OF EDUCATION (SCIENCE)

ZOOL 301: ANIMAL SYSTEMATICS AND EVOLUTION

STREAMS: BED (SCI) Y3SI TIME: 2 HOURS

DAY/DATE: WEDNESDAY 14/8/2013 2.30 PM - 4.30 PM
INSTRUCTIONS:

Section A (30 Marks)

1. Differentiate between the following [6 marks]

(a) Monophyletic and polyphyletic groups
(b) Trace and pseudofossils
(c) Cladogenesis and anagenesis
(d) Absolute and relative dating
(e) Law of segregation and law of independent assortment.
(f) Positive and negative assortative mating

2. Using various examples, describe the various methods of fossil preservation.
[6 marks]

3. Discuss the evidence of evolution. [4 marks]

4. Outline the different modes of speciation [4 marks]

5. Give an overview of the various isolating mechanisms in populations. [5 marks]

6. Elaborate the function of the coelom and classify organisms with regards to the type of coelom. [5 marks]

Section B (40 Marks)

7. Discuss the early theories of evolution giving valid reasons why each was approved or disapproved. [20 marks]
8. Discuss the various adjustments kingdom biology has undergone from two kingdom to six kingdom system. [20 marks]

9. Describe the various combinations of genotypes that nature can select and the ultimate result of each. Give illustrations. [20 marks]

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Zool 301: Animal Systematics And Evolution Question Paper

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