Get premium membership and access revision papers, questions with answers as well as video lessons.

Got a question or eager to learn? Discover limitless learning on WhatsApp now - Start Now!

Human Ecology And Adaptations Question Paper

Human Ecology And Adaptations

Course:Bachelor Of Environmental Studies

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
ENVIRONMENTAL STUDIES (COMMUNITY DEVELOPMENT)
ECD 104: HUMAN ECOLOGY AND ADAPTATIONS I
DATE: Tuesday, 22nd December, 2009 TIME: 11.00 a.m. – 1.00 p.m.
------------------------------------------------------------------------------------------------------------
INSTRUCTIONS:
Answer question ONE (Compulsory) and any other TWO questions. Use well labeled
illustrations and diagrams where necessary.

1.Answer the following questions:
a)What is the difference between an ecosystem and an ecological
community? (4 marks)
b)With examples, distinguish between a food chain and a food web(8 marks)
c)Present some arguments for or against the following statement:
“With proper planning, we can achieve a constant carrying capacity for
human beings on Earth.” (18 marks)

2.a)What are greenhouse gases? Name the primary greenhouse gases in the
Earth’s atmosphere (6 marks)
b) How can farming lead to the spread of desert? What might be done to
stop this desertification? (8 marks)
c) Briefly discuss the Earth’s energy balance and give the four main factor
determining the temperature at or near the surface of the Earth. (6 marks)

2.a)What are greenhouse gases? Name the primary greenhouse gases in the
Earth’s atmosphere (6 marks)
b)How can farming lead to the spread of deserts? What might be done to
stop this desertification? (8 marks)
c)Briefly discuss the Earth’s energy balance and give the four main factors
determining the temperature at or near the surface of the Earth.
(6 marks)

3.Using a Kenyan forest as an example, define and discuss the concept of
environmental unity. (20 marks)

4.What are the differences in the biogeochemical cycles of phosphorous and
nitrogen, and why are the differences important in environmental science?
(20 marks)

5. What is Agenda 21? Elucidate on the principles declared in Agenda 21
(20 marks)

Human Ecology And Adaptations Question Paper

More Question Papers

Popular Exams