課程名稱︰生態學
課程性質︰系上必修
課程教師︰(多人合開) 李培芬 高文媛 周蓮香
開課學院：生態工程學程 地球系統科學學程
開課系所︰生命科學系
考試日期（年月日）︰98/3/30
考試時限（分鐘）：約120分鐘
是否需發放獎勵金：是
（如未明確表示，則不予發放）
試題 :
I. 單選題 (2*12=24 points)
1. Bluefin tuna and mackerek sharks are considered to be
A. poikilotherm B. homeotherm C. endotherm D. heterotherm
E. two of the choices are correct
2. The group of organisms contains the most trophic diversity:
A. Plantae B. Animalia C. Prokaryotes D. Fungi
E. Protista
3. You are a student working in the laboratory of a researcher who studies
rainbow trout. A power outage over the weekend results in temperatures of
over 25℃ in the large pools which house the fish. When you arrive Monday
morning you notice the fish are swimming on their sides or swimming in
spirals. What conclusions can you draw?
A. the fish are suffering thermal stress
B. the fish are experiencing improper neuronal function
C. the affinity of acetylcholinesterase for acetylcholine is reduced
D. the temperature of the water is affecting fish enzyme shape and flexiility
E. All of the choices are correct.
4. A(n) ______ marine fish gains water through osmosis and loses salts
through diffusion.
A. hyperosmotic B. hypoosmotic C. isosmotic D. osmotic
E. None of the choices are correct.
5. When an organism becomes acclimated to a new environmental situation; it
will generally involve
A. physiological changes.
B. genetic changes.
C. sociological changes.
D. both physiological changes and genetic changes.
E. both genetic changes and sociological changes.
6. Caughley found the distributions of the three largest kangaroo species
in Australia are mainly determined by
A. hunting pressure B. servere competition for densities.
C. severe predation D. climate.
E. All of the choices are correct.
7. Which of the following equations best represents the per capita rate
of increase?
A. r=T/(ln Ro) B. r=(lnRo)/T C. λ=Nt/(Nt+1) D. λ=(Nt+1)/Nt
E. None of the choices are correct.
8. Out of 1 million eggs laid by a mackerel, more than 999,990 die during
the first 70 days of life either as eggs, larvae, or juveniles. The mackerel
has a ______ survivorship curve
A. Type I B. Type II C. Type III D. Type IV
E. Type V
9. An annual plant when initially colonizing an area will probably
demonstrate
A. annual growth rate. B. geometric population growth.
C. exponential growth rate D. logistic growth
E. None of the choices are correct
10. In the logistic model of population growth if γ>0 then
A, the population declines. B. population growth stops.
C. N>K D. N<K E. both the population declines and N<K
11. Which of the following environments for germinating seed is most likely
to favor a plant species that makes many small seeds, compared to one that
makes fewer larger seeds?
A. nutrient limitaion B. competition from established plants
C. shade D. deep burial in soil
E. disturbance
12. Which of the following word pairs are mismatched?
A. random distribution: aggressive interaction
B. clumped distribution: attraction to a common source
C. regular distribution: antagonistic behaviors
D. large scale distribution: substantial environmental changes
E. small scale distribution: insignificant environmental changes
II. Fill up (3 point*5=15 points)
1. ____________ is a subfield of ecology which studies how an organism's
structure, physiology, and behavior meet the challenges posed by the
environment.
2. An ____________ is defined as all of the organisms that live in an
area and the physical environment with which they interact.
3. On going dispersal can join numbous subpopulations to form a
____________.
4. R. MacArthus and E.O. Wilson proposed that organisms' life history
could be classified as ____________ vs. ____________.
III. 解釋名詞 (4 points*8=32 points)
1. macroclimate vs. microclimate
2. intrinsic rate of increase vs. realized rate of increase
3. life cycle, life history and life table
4. Optimal foraging theory
IV. Short essay (8*4=32 points)
1. Why might a manger of an exploited population, such as a commercially
important fish, want to keep fish population size near one-half K and
not much lower? (8 points).
2. 請說明如何藉由穩定氫同位素的測量得知檳榔是否為淺根性的植物? (8 points)
3. E. Korpimaki and K. Norradahl published a paper entitle "Numerical
and functional response fo kestrel, short-eared owls and long-eared owls
to vole densities" in the journal Eolgogy. According to the title of the
paper, what did the authors study? (8 points)
4. 請根據下圖推測: 同一葉子在氣溫為20℃和30℃ (假設葉溫=氣溫)，RH=50%
同樣光照度、CO2濃度的環境下，請說明在哪一環境下其蒸散作用率(E)較高？
為什麼？ (8 points)
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