生态系统生态学试题.doc

Final exam for the course of Ecosystem Ecology, April 25, 2009
Name___________ Student Number__________
1. Multiple choice. For each question, there is only one best answer. Circle the correct answer with your pen or pencil. (1 pt. each, 40 pts. total).
1). If you are trying to develop a self-contained ecosystem that will be shipped into space to live by itself, which of the following is the minimum situation required for ess:
a. autotrophs only are needed.
b. autotrophs and heterotrophs both are needed.
c. autotrophs and posers are both needed.
d. you must have autotrophs, heterotrophs, and posers.
2). Seasonality in the tropics is most related to variation in ________ while seasonality in the temperate zone is most related to variation in __________.
a. rainfall, temperature
b. temperature, rainfall
c. the tilt of the earth, the spin of the earth
d. the spin of the earth, the tilt of the earth
3). Which of the following nutrient cycles directly contributes to acid rain?
a. phosphorus cycle
b. sulfur cycle
c. hydrologic cycle
d. lead cycle
4). Deserts are associated with which latitude:?
a. equatorial zones
b. 45 degrees north or south of equator
c. 30 degrees north or south of equator
d. they are not associated with latitude at all
5). Which type of response curve is most likely characteristic of micronutrients such as boron?
a. linear response
c.