Ecd 104: Human Ecology And Adaptations Question Paper
Ecd 104: Human Ecology And Adaptations
Course:Bachelor Of Environmental Studies
Institution: Kenyatta University question papers
Exam Year:2011
DATE: Wednesday 14th December 2011
TIME: 4.30 pm – 6.30 pm
_____________________________________________________________________________
INSTRUCTIONS
Answer question ONE (COMPULSORY) and any other TWO questions. Use well labeled
illustrations and diagrams where necessary.
1.
a)
Define the concept of Human Ecology.
[2 marks]
b)
Giving relevant examples, distinguish between positive and negative feedback.
[4 marks]
c)
With relevant examples outline the three ways in which human activities impact
an ecosystem?
[6 marks]
d)
Briefly explain the five common perceptions of nature.
[10 marks]
e)
Using an example, explain the phrase “tragedy of the commons”.
[10 marks]
2.
Discuss the Gaia Hypothesis and explain its relevance to environmental decision making.
[20 marks]
3.
Why do environmental problems sometimes appear so suddenly?
[20 marks]
4.
a)
Outline the variables that force global temperature changes.
[10 marks]
b)
Society transformations are altering the context for adapting to climate change.
Discuss.
[10 marks]
5.
Distinguish Coevolution and Co-adaptation as unsustainable human-ecosystem
interaction giving relevant examples.
[20 marks]
…………………………………
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