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COURSE CODE: BIO 313
COURSE TITLE: ANIMAL ECOLOGY
TIME ALLOWED: 2 Hours
INSTRUCTION: Answer question 1 and any other three questions
1a Explain the historical background of animal ecology 10 marks
b Differentiate between the following pairs of terms:
i. Composition and diversity 2 marks
ii Habitat and ecological niche 2 marks
iii Fundamental niche and realized niche
iv competition and predation 2 marks
v State life table and population growth rate 2 marks
c Define competition in relation to animal species 2 marks
d What is the limitation of the k-value concept why is it difficult to estimate k-value in natural populations? 3 marks
2. Write briefly on the different types of composition by:
i. Mechanism 6 marks
ii. Species 9 marks
3a What is animal population control? Discuss briefly the main biotic factors that may limit animal population growth? 6 marks
b Using appropriate graphs, explain how competition can lead to:
i. Extinction
ii. Resource partitioning 9 marks
4a With a clearly labelled schematic diagram, discuss an ocean detritus food web 10marks
b Explain the predator-prey population curve presented in figure 1 below: 5 marks
5. Discuss four methods of transfer of information from one animal to another 15 marks
6a What is age distribution of population? 3 marks
b Using schematic diagram, differentiate among the three kinds of population defined by age distribution. 6 marks
c Summarize the main types of symbiotic relationships in a table listing the types of relationship and expected outcomes. 6 marks
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You can now use you matric number to login as your username and password in a lowercase.
https://elearn.nouedu2.net/login/
Note that you are to change your passw...
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