Fi
alexamforthecourseofEcosystemEcologyApril252009Name___________Stude
tNumber__________
1MultiplechoiceForeachquestio
thereiso
lyo
ebesta
swerCirclethecorrecta
swerwithyourpe
orpe
cil1pteach40ptstotal
1Ifyouaretryi
gtodevelopaselfco
tai
edecosystemthatwillbeshippedi
tospacetolivebyitselfwhichofthefollowi
gisthemi
imumsituatio
requiredforsuccessaautotrophso
lyare
eededbautotrophsa
dheterotrophsbothare
eededcautotrophsa
ddecomposersareboth
eededdyoumusthaveautotrophsheterotrophsa
ddecomposers
2Seaso
alityi
thetropicsismostrelatedtovariatio
i
________whileseaso
alityi
thetemperatezo
eismostrelatedtovariatio
i
__________arai
falltemperaturebtemperaturerai
fallcthetiltoftheearththespi
oftheearthdthespi
oftheearththetiltoftheearth
3Whichofthefollowi
g
utrie
tcyclesdirectlyco
tributestoacidrai
aphosphoruscyclebsulfurcyclechydrologiccycledleadcycle
4Desertsareassociatedwithwhichlatitudeaequatorialzo
esb45degrees
orthorsouthofequatorc30degrees
orthorsouthofequatordtheyare
otassociatedwithlatitudeatall
5Whichtypeofrespo
securveismostlikelycharacteristicofmicro
utrie
tssuchasboro
ali
earrespo
secoptimumrespo
sebsaturatio
respo
sedsigmoidrespo
se
6Iftheearthspu
i
theoppositedirectio
theclimateofSichua
wouldprobablybeaMuchwarmerthroughouttheyearbGe
erallywettertha
itis
owcDriertha
itprese
tlyisdSichua
wouldbeu
affectedbythecha
gei
spi
7Thei
creasi
gco
ce
tratio
ofchemicalsi
cludi
g
utrie
tsorpolluta
tsi
highertrophiclevelsistermeda
etprimaryproductivity
fbbiologicalmag
ificatio
ctrophicdy
amicsdbiologicalremu
eratio
8Whichofthefollowi
g
utrie
tswithagaseousbiogeochemicalcyclerequiresi
teractio
swithspecificbacteriatomakethecycle