Exam May 2014, Questions And Answers PDF

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BLGY222201

This question paper consists of 2 printed pages each of which is identified by the Code Number BLGY222201

© UNIVERSITY OF LEEDS School of Biology

May 2014

BLGY222201 Animal Behaviour

Time allowed: 2 hours Answer EIGHT of the questions in SECTION A. Answer ONE question in SECTION B. Each section carries equal marks. Use a separate answer book for each section. Use annotated diagrams where appropriate. SECTION A: This section accounts for 50% of the total marks for the examination. You should spend one hour on this section. Use accurate and clearly labelled diagrams where appropriate.

1. Identify which of Tinbergen’s 4 questions relate to proximate and ultimate causes, and illustrate each with an example.

2. What is phenotypic plasticity? Give 2 examples.

3. What is inclusive fitness and how does it help to explain the evolution of cooperative mating? 4. How does profitability affect a crab’s choice of mussel size?

5. What is an ESS? 6. Give two game theory models used to describe animal fights, with an example of each.

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BLGY222201

7. Why do male walnut flies fight to occupy walnut shells?

8. What is a signal, and how does it differ from a cue?

9. What is path integration? How has it been demonstrated in Cataglyphis?

10. How is polymorphism maintained in cryptic species? SECTION B: Answer ONE question in the form of an essay. This section accounts for 50% of the total marks for the examination. Use accurate and clearly labelled diagrams where appropriate.

11. What factors determine the outcome of fights between individuals? Why do few fights escalate to full physical battles?

12. How can studies of animal behaviour be applied to agriculture? What are the benefits to farmers, consumers and animals?

13. What information do animals convey during communication? Describe, with examples, the types of signals encountered.

14. Discuss with examples the different ways in which animals navigate. Why is it important for homing/ migrating animals to be able to integrate information from multiple sources? How can this be demonstrated?

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