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习题练习:IB ESS Unit 2: Ecosystems & Ecology



 作者: admin发布日期: 2024-09-27 20:49   总分: 85分  得分: _____________

答题人: 匿名未登录  开始时间: 23年04月15日 20:47  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/9) 切至整卷模式 搜藏此题  
第 1 题组 (共 9 题 9 分)
  What is the best definitio6t/sd,he3jo0r 1th1y i6gqw8f mrd m1n for a species?

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2#
 
单选题 ( 1.0 分) (组内2/9) 切至整卷模式 搜藏此题  
  igure: Climate graph of Rome,japflt8r,b( cr c h5/) Italy


[Data source: Servizio Meteorologico dell'Aeronautica Militare. (2000). Average monthly rainfall and temperature for Rome. Retrieved 25 July 2023 from https://it.wikipedia.org/wiki/Stazione_meteorologica_di_Roma_Ciampino. Copyright free.]
Identify the average monthly rainfall (mm) for Rome in March.

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3#
 
单选题 ( 1.0 分) (组内3/9) 切至整卷模式 搜藏此题  
  List three factors that could describe a spersv2op94) ww: or.9mlqu ms q2yr3di7cies' niche.What is Factor 1 ;Factor 2;Faw2iyrd92m: ros9 s3om .u7w)l qvqp4rctor 3?

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4#
 
单选题 ( 1.0 分) (组内4/9) 切至整卷模式 搜藏此题  
  Figure: Growth curve of 9wcbgqn-cm 0:h63)ind8 g lnsa population


Identify the part of the graph that shows an ‘overshoot' of the population.

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5#
 
单选题 ( 1.0 分) (组内5/9) 切至整卷模式 搜藏此题  
  Figure: Life cycle of a Schistosoma )b6o zv8g kchrp9 47d3 9xfkfaspecies



[Created with Servier Medical Art. CC BY 3.0]
The figure shows the life cycle of a flatworm of the genus Schistosoma. It spends part of its life in a species of ramshorn snail and part of its life in humans. It feeds on these hosts.
State the type of interaction between the human and the flatworm.

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6#
 
单选题 ( 1.0 分) (组内6/9) 切至整卷模式 搜藏此题  
  The okapi looks like a sma-pl z 2ml70m5lz9 ubrnll-sized giraffe and has stripes that resemble the zebra. It lives in the Ituri Forest in the Democratic Republic of the Congo. Okapis eat the leaves and buds of trees they can reach. They alsom ru2zl mz0plnl97-5b graze on grass and ferns and eat fruit. Okapis tend to be solitary animals and the mother gives birth to one offspring which continues to be dependent on the mother’s milk for six months. When they are four to five years old, they are mature and can breed, but only with other okapis.
Which of the following statements is applicable to the okapi?
I. Okapi is a hybrid of a giraffe and a zebra
II. Okapi is an herbivore
III. Okapi is its own species

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7#
 
单选题 ( 1.0 分) (组内7/9) 切至整卷模式 搜藏此题  
  Determine which of the groups+a q zi6n1c41kvp f+tl of organisms is a population.

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8#
 
单选题 ( 1.0 分) (组内8/9) 切至整卷模式 搜藏此题  
  Fact file on the grey wolf (Canis lupus)Wolvea 8xdhkr8a2:n pj 0 zu/jk93ees occur naturally in North America and Eurasia.Wolves prey on wild animals such as deer, boar and hares, keeping their population numbers in check.Wolves may prey on domestic animals such as sheep, causing an economic loss to the sheanu x/3rd8h02kjk9 zae 8pje:epherder.A mature female wolf may give birth to 6-8 pups yearly.Wolves are territorial, claiming a large area of land for their pack.Humans have hunted wolves to extinction in several countries.Most countries in the European Union now protect the wolf by law.Since 2015, wolves have returned to The Netherlands, a small, densely populated northern European country.Approximately 20% of the land area in The Netherlands is protected in some way or another.Identify a factor that may limit the growth of the wolf population in The Netherlands.

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9#
 
单选题 ( 1.0 分) (组内9/9) 切至整卷模式 搜藏此题  
  Identify the graph that best reflects the growth o2hkb/m opr wwj( .p4l8f a population over time.





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10#
 
单选题 ( 1.0 分) (组内1/36) 切至整卷模式 搜藏此题  
第 2 题组 (共 36 题 36 分)
  Crabs, earthworms, mites and snails fe9c.l+tu1 qeo+2rsc zo ed on the remains of dead plants and animals qtoo .++cluc2r z91es.
State the name of organisms that feed this way.

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11#
 
单选题 ( 1.0 分) (组内2/36) 切至整卷模式 搜藏此题  
  Figure: The buildup of toxins in food ccy.,t2x+k3z ud x1ywg hains


[Paulsen, O (2018). The_build_up_of_toxins_in_a_food_chain. Wikimedia Commons. Retrieved June 20, 2023 from https://upload.wikimedia.org/wikipedia/commons/3/3c/The_build_up_of_toxins_in_a_food_chain.svg. CC BY-SA-3.0]
Identify the process that is represented by the Figure.

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12#
 
单选题 ( 1.0 分) (组内3/36) 切至整卷模式 搜藏此题  
  The Arctic cod, ringedq j/ vu*ktc0z .tyfr,(srct)8 seal, killer whale, polar bear and other organisms live and interact with each other in t tr,.syvcu rqf) jtkzct*0(8/he cold waters of the Arctic Ocean.
State the best term to describe them.

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13#
 
单选题 ( 1.0 分) (组内4/36) 切至整卷模式 搜藏此题  
  State in what form energy is lost from ecosystems.env j9om)etoon00 id/n u(td5s+;ku8 m 1)tia

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14#
 
单选题 ( 1.0 分) (组内5/36) 切至整卷模式 搜藏此题  
  Rainforests are known to have tall treeapk(*.1rn1lv s kj y(bs and a large biomass with high productivity, despite infertile soils. The growing conditions have been known to nurture the presence of many interdependent organisms. These species also interact with the physical (j1 ybkl*a rv( pn.ks1environment they inhabit.
Deduce which of the following is described here.

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15#
 
单选题 ( 1.0 分) (组内6/36) 切至整卷模式 搜藏此题  
  Identify the statement th2(goh j qy ,ft/9th,opr;a n0hat is a correct description of a food chain.

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16#
 
单选题 ( 1.0 分) (组内7/36) 切至整卷模式 搜藏此题  
  Some fungi obtain nutrients by releasing digestive enzymes intozbb )6+rv ooh. their surroundings. The enzymes oz.b6r)ho+bv break down things such as dead and decaying leaves, and the fungi then absorb the products.
State the terms that best describe these fungi.

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17#
 
单选题 ( 1.0 分) (组内8/36) 切至整卷模式 搜藏此题  
  Figure: An integrated rice cul+i3hmxfx y/v0tivation system


[Created with BioRender.com]
The figure shows a rice cultivation system that eliminates the need for fertilizers, herbicides and pesticides by using ducks in the organic cultivation of rice. In addition, Azolla, an aquatic floating fern, is grown on these fields because it harbours blue-green algae which can fix atmospheric nitrogen. Using this system, rice, ducks, and fish can all be produced for human consumption in one location.
Which option includes two of the autotrophs in the system?

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18#
 
单选题 ( 1.0 分) (组内9/36) 切至整卷模式 搜藏此题  
  State the units used fovgx2 s2p t 2x7va,ty8t;a0rejr pyramids of energy.

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19#
 
单选题 ( 1.0 分) (组内10/36) 切至整卷模式 搜藏此题  
  List three factors that could de+hq5 xz7b s8 fbbz3u.vscribe a species' niche.What is Factor 1; Factor 2 and Factor.u b+vzsb3fb857qzhx 3?

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20#
 
单选题 ( 1.0 分) (组内11/36) 切至整卷模式 搜藏此题  
  Figure: Graph of the rate of photosynthesis at differenc -mgyx3wz.w/hz*y+huu4 4 qb:6y ami t temperatures

Suggest a possible conclusion from this graph.

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21#
 
单选题 ( 1.0 分) (组内12/36) 切至整卷模式 搜藏此题  
  Figure: An integrated rice e,j9 sbq3(qrbb:l-txpn y6 s6cultivation system


[Created with BioRender.com]
The illustration shows a rice cultivation system that eliminates the need for fertilizers, herbicides and pesticides by raising ducks in rice paddies. Additionally, Azolla, an aquatic floating fern, is grown in these fields because they harbour blue-green algae that can fix atmospheric nitrogen. This system produces duck, fish and rice for human consumption.
Draw a possible food chain for the rice cultivation system shown in the image.

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22#
 
单选题 ( 1.0 分) (组内13/36) 切至整卷模式 搜藏此题  
  Determined




Which of the pyramids could be a pyramid of productivity (in KJm2yr1)

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23#
 
单选题 ( 1.0 分) (组内14/36) 切至整卷模式 搜藏此题  
  The okapi looks like a small-sized giraffe and has l)buj q8 ropzg3gu(;)stripes that resemble the zebra. It lives in the Ituri Forest in the Democratic Republic of the Congo. Okapis eat the leaves and buds of trees they can reach. They also graze on grass and ferns and eat ;(gpqz)u b8rgl)oju3 fruit. Okapis tend to be solitary animals and the mother gives birth to one offspring which continues to be dependent on the mother’s milk for six months. When they are four to five years old, they are mature and can breed, but only with other okapis.
Which of the following statements is applicable to the okapi?
I. Okapi is a hybrid of a giraffe and a zebra
II. Okapi is an herbivore
III. Okapi is its own species

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24#
 
单选题 ( 1.0 分) (组内15/36) 切至整卷模式 搜藏此题  
  Identify the incorrect description of energy flow in a terrestrial(/yh niq )7iqp ecosystem.

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25#
 
单选题 ( 1.0 分) (组内16/36) 切至整卷模式 搜藏此题  
  Figure: A marine food wib 8 fak3mkib46eb 8g.eb



[Source: Cmglee. (2003, October). File: Arctic Food Web.svg - Wikimedia Commons. Wikimedia Commons. Retrieved April 14, 2022, from https://commons.wikimedia.org/wiki/File: Arctic_food_web.svg. Copyright under CC BY-SA 3.0]
State which organism is both a secondary and a tertiary consumer.

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26#
 
单选题 ( 1.0 分) (组内17/36) 切至整卷模式 搜藏此题  
  Zooxanthellae are algae that live inside coral. Corals feed u*1 jpe4fb m6uz:vdmp6:w+fa on the carbon compounds produced by zooxantp+a 4u zf:e mup* 1f6d6b:wjvmhellae from carbon dioxide, water, and sunlight.
State the method of nutrition of these organisms.What is Zooxanthellae and Coral?

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27#
 
单选题 ( 1.0 分) (组内18/36) 切至整卷模式 搜藏此题  
  Consider the following chemical kua a)j,7dh9freaction:


Identify which of the following is not represented by this reaction.

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28#
 
单选题 ( 1.0 分) (组内19/36) 切至整卷模式 搜藏此题  
  Figure: Simplified systems diagram of the movement of carbon in tithw .1;06pyaqhgsy6)h oo l* he ocean


With reference to the figure, identify the processes involved in the carbon cycle.What is I;II;III and IV?

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29#
 
单选题 ( 1.0 分) (组内20/36) 切至整卷模式 搜藏此题  
  State which of the following terms best describes organisms like earthworms thdmhim6x0 r/ 15dh m8pwat ingest and then breawhm5 dipmr1/8 xh0dm6 k down and digest non-living organic materials.

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30#
 
单选题 ( 1.0 分) (组内21/36) 切至整卷模式 搜藏此题  
  Figure: Ecological pyramy 6k-d(,g lrfoid of numbers


Determine the food chain that might be represented by this pyramid.

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31#
 
单选题 ( 1.0 分) (组内22/36) 切至整卷模式 搜藏此题  
  Figure: Population densities of ae0z t :0btx7g y6ujjb2 predator and its prey


[Source: Adapted from Hczam (March 2020) File: predator prey.jpg - wikimedia commons A generalized graph of a predator-prey population density cycle. Retrieved June 18,2023 from https://commons.wikimedia.org/wiki/File: Predator_prey_curve.png Copyright under CC0 4.0]
The Figure shows the population density cycles of a predator and prey. Describe the relationship between the two animals.

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32#
 
单选题 ( 1.0 分) (组内23/36) 切至整卷模式 搜藏此题  
  List the statements that are true about Dichlorodib)nkq6oi s1/ gphenyltrichloroethane (DDT):
I.
DDT has saved millions of lives in the battle against malaria.
II.
DDT is biomagnified along a food chain but does not bioaccumulate.
III.
DDT is a persistent organic pollutant (POP) that has been used effectively as an insecticide.

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33#
 
单选题 ( 1.0 分) (组内24/36) 切至整卷模式 搜藏此题  
  A student set up an aquatic mesocosm us3q.6rw;f b-l yedpc* ging a commercially available seawater-filled glass orb, which included algae, shrimp, some corals and gravel. The student placed it near a window to 6rl. w;gy 3q*fd pecb-provide a light source. Which of the following statements are true?

I. The algae are autotrophs, produce carbon compounds and provide oxygen for organisms in the mesocosm
II. Saprotrophs present in the water and gravel help to recycle nutrients found in dead organisms
III. Herbivores usually present in a natural ecosystem can be excluded in the mesocosm

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34#
 
单选题 ( 1.0 分) (组内25/36) 切至整卷模式 搜藏此题  
  Identify which of the following is an snw tfpmydmlaf9r-6)*2k3 8 iexample of transformation.

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35#
 
单选题 ( 1.0 分) (组内26/36) 切至整卷模式 搜藏此题  
  Figure: A natural energbc yyc0fcs9 + h ufgk1*w-m3b8y conversion system


Identify the trophic classification of creatures that would best fit in the green box in the figure.

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36#
 
单选题 ( 1.0 分) (组内27/36) 切至整卷模式 搜藏此题  
  Figure: The buildup of toxins in fo34p1 op mati49iad9 k 8kbhf8iod chains




[Paulsen, O (2018). The_build_up_of_toxins_in_a_food_chain. Wikimedia.org. Retrieved June 20, 2023 from https://upload.wikimedia.org/wikipedia/commons/3/3c/The_build_up_of_toxins_in_a_food_chain.svg CC BY-SA-3.0]
Using the Figure, calculate the amount of increase in ppm of toxins from the algae to the fisherman.

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37#
 
单选题 ( 1.0 分) (组内28/36) 切至整卷模式 搜藏此题  
  Identify which of the following statements is false when discussing a pyq*/v6 sh.* 2xoil yp);m hfhchramid ofq;)h*c6v*.x opyf/slim hhh 2 biomass.

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38#
 
单选题 ( 1.0 分) (组内29/36) 切至整卷模式 搜藏此题  
  Figure: A pyramid of enerpu6ts9x51 f atli9 bs1gy


If the sun provided 5 million joules of energy to the phytoplankton, estimate how much energy the small fish would be able to provide to larger fish that might consume them.

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39#
 
单选题 ( 1.0 分) (组内30/36) 切至整卷模式 搜藏此题  
  Name the correct units for represent xkpl(033 m itq..s,uy8egi sding productivity in an ecosystem.

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40#
 
单选题 ( 1.0 分) (组内31/36) 切至整卷模式 搜藏此题  
  Figure: an Arctic ma fh,w+e b8n z w0ixmsmjayz64/7 xo57urine food web


[File: Arctic Marine Food web.jpg - Wikimedia Commons. Example of an Arctic food web. Cmglee (2003, October). https://commons.wikimedia.org/wiki/File
.jpg Copyright free CCA by 3.0]
Draw a food chain from the food web shown in the Figure.

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41#
 
单选题 ( 1.0 分) (组内32/36) 切至整卷模式 搜藏此题  
  Figure: a food web in a s4m,cdzs/, us-;n 9rtg8xw k3qt)yqwroil ecosystem




[Adapted from Ingham, E. R. (n.d.). Natural Resources Conservation Service. Soil Food Web | NRCS Soils. Retrieved April 16, 2022, from https://www.nrcs.usda.gov/wps/portal/nrcs/detailfull/soils/health/biology/?cid=nrcs142p2_053868. Copyright free.]
Deduce which organism in the food web is not assigned to its correct mode of nutrition.

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42#
 
单选题 ( 1.0 分) (组内33/36) 切至整卷模式 搜藏此题  
  Identify the statement that does not accurated i0 x(+q9w9s zeqxup+7efpj;ly describe a food web.

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43#
 
单选题 ( 1.0 分) (组内34/36) 切至整卷模式 搜藏此题  
  Identify the pyramid of numbers that could exist in ap;gydxwmetg1 p- : c-l1z 05gx savannah system with parasites on ad;tpggp1-xy:xg 5elcz01 - mw consumer like the lions

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44#
 
单选题 ( 1.0 分) (组内35/36) 切至整卷模式 搜藏此题  
  Distinguish photosynthesis and respiration correctly from the options below.We2o1+hg-,n.jvk ow0h wz ibi 1hat is Photosynthesisnhv-,+oiikhbww 1ge1j02 .z o and Respiration?

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45#
 
单选题 ( 1.0 分) (组内36/36) 切至整卷模式 搜藏此题  
  Identify the statements that describe the use of DDT as an insect/ k- xyybk aqh56v)r62c0ugjcicide.
I. Certain chemicals tend to concentrate in higher trophic levels of the food chain.
II. DDT is a chemical that can be added to water bodies to control mosquito larvae.
III. Populations most affected by DDT due to biomagnification were fish and birds; therefore, this chemical has been banned in some countries.

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46#
 
单选题 ( 1.0 分) (组内1/20) 切至整卷模式 搜藏此题  
第 3 题组 (共 20 题 20 分)
  State in what form energp9-f.slqf sy duc5b zauq+ /kyd5:)8zy is lost from ecosystems.

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47#
 
单选题 ( 1.0 分) (组内2/20) 切至整卷模式 搜藏此题  
  State the name of the process that converts carbop2fkmrn r q3c72-fu l3n dioxide in the air to carbohydrates233 7rn-qrc2mpl ffku.

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48#
 
单选题 ( 1.0 分) (组内3/20) 切至整卷模式 搜藏此题  
  There is continuous cycling of carbof7qy 6:1povb8rw2gy in from the atmosphere to other carbon sinks. 1og8 2yvpyir 7b 6fqw:
Identify the main source of energy for the carbon cycle.

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49#
 
单选题 ( 1.0 分) (组内4/20) 切至整卷模式 搜藏此题  
  Identify the processes in the carbon cycle that reizk +lb32myzm 08-app quires the longest time.

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50#
 
单选题 ( 1.0 分) (组内5/20) 切至整卷模式 搜藏此题  
  Figure: Flow of energy in an ecosystem / per area per year8y9*y j wn3) ijlu 5qydnl.2eu k);vfr


Estimate the percentage of energy from the producers reaches the tertiary consumers.

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51#
 
单选题 ( 1.0 分) (组内6/20) 切至整卷模式 搜藏此题  
  Identify the statementitqdn/t 9dl q:q d2j2w)i f/s5s that are true.
I. Living organisms release energy from organic compounds and convert it to heat during the process of respiration.
II. Since heat cannot be transformed into other forms of energy it is lost from ecosystems.
III. Light energy from the sun is converted to chemical energy by producers and then converted to heat during respiration.

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52#
 
单选题 ( 1.0 分) (组内7/20) 切至整卷模式 搜藏此题  
  State how Net Secondary Productivity (NSP) can be calc4e (y 9e.svl *mwdfe2bulated.

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53#
 
单选题 ( 1.0 分) (组内8/20) 切至整卷模式 搜藏此题  
  Figure: A simplified diagr9xzbb*utnm 0oam f64)x 9mc5uam of the marine carbon cycle



Identify which of the following correctly matches the Roman numerals on the figure with the process.What is I,II,III and IV?

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54#
 
单选题 ( 1.0 分) (组内9/20) 切至整卷模式 搜藏此题  
  Figure: Movement of carbon through the2:3iyc:i3w stck fhh+ ( *kist carbon cycle


[Source: Saff, K. (2008, May 30). File
cycle-cute diagram.jpeg. Wikipedia Commons. Retrieved July 30, 2023, from https://commons.wikimedia.org/wiki/File
.svg. Copyright free]
Distinguish between transfers and transformations of carbon on the diagram of the carbon cycle.What is I. and II.?

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55#
 
单选题 ( 1.0 分) (组内10/20) 切至整卷模式 搜藏此题  
  Figure: Energy flow in an ecosystem ;7fjlu*qu3 p2h .hsmj


The Figure shows the flow of energy per unit area per year in arbitrary units. Gross production is the total kJ obtained through photosynthesis, and net production is the kJ remaining after respiration.
Calculate the percentage of net production (kJ after respiration) that is lost to decomposers by primary consumers.

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56#
 
单选题 ( 1.0 分) (组内11/20) 切至整卷模式 搜藏此题  
  Figure: Energy flow in ah q26sraxpxr, 8wxt *w3q5y k3 terrestrial ecosystem in kJ m2yr1



Calculate the percentage flow of net primary productivity (NPP) from producers to tertiary consumers.

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57#
 
单选题 ( 1.0 分) (组内12/20) 切至整卷模式 搜藏此题  
  Identify the statement that is not true of denitrif b)g z+awu0u)cying bacteria.

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58#
 
单选题 ( 1.0 分) (组内13/20) 切至整卷模式 搜藏此题  
  Identify which of the following is not a human-induced effect on the nitroggr 6+adkbxtjnfpm9/ 16 -rxu;en cycle.m/1x p6j+bt6d r-frua ;9ngkx

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59#
 
单选题 ( 1.0 分) (组内14/20) 切至整卷模式 搜藏此题  
  Figure: Average per capita 43.qm; fndm+5oeynd d CO2 emissions from deforestation for food production from 2010 - 2014




[Adapted from Ritchie, H and Roser, M. (2021). File: Per-capita-co2-food-deforestation.svg. Wikimedia Commons. Retrieved June 17, 2023 from https://commons.wikimedia.org/wiki/File
.svg CC BY-SA 4.0]
The estimated population of Luxembourg is 640,000, while Brazil is estimated at 214 million. Using these estimates and the Figure above, calculate the total CO2 emissions in tonnes for both countries.
What is Luxembourg (tonnes) and Brazil (tonnes)?

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60#
 
单选题 ( 1.0 分) (组内15/20) 切至整卷模式 搜藏此题  
  List the changes in biqdjo4w;: p (h:fiwa3(wq d-o s+v3jee odiversity, GPP and NPP as primary succession progresses from a pioneer community to a climax community4(e jow 33: qeap+ s;wf-vodjiqwd(:h.
What is Biodiversity; GPP and NPP?

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61#
 
单选题 ( 1.0 分) (组内16/20) 切至整卷模式 搜藏此题  
  Identify which of the fozha*:5lie2;qsu nw )y 57ydqhllowing is an example of transformation.

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62#
 
单选题 ( 1.0 分) (组内17/20) 切至整卷模式 搜藏此题  
  Figure: Average per capital sqq:w1v a+(3t*1cei ma c+el CO2emissions from deforestation for food production from 2010 - 2014



[Adapted from Ritchie, H and Roser, M. (2021). File: Per-capita-co2-food-deforestation.svg. Wikimedia Commons. Retrieved June 17, 2023 from https://commons.wikimedia.org/wiki/File
.svg CC BY-SA 4.0]
Suggest which of the following statements are supported by the information in the graph.
I. China and the U.S. had low CO2 emissions between 2010 and 2014.
II. Brazil and Luxembourg had high CO2 emissions between 2010 and 2014.
III. France and Spain had the same amount of CO2 emissions due to deforestation for food production during that time.

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63#
 
单选题 ( 1.0 分) (组内18/20) 切至整卷模式 搜藏此题  
  An experiment was carried out using bottles with an Elodea xuub6/sdzr 3i-,c ,(0gl7zrxrja f c .plant in water. One was kept in light and the other in darkness. The dissolved oxygen values were obtained at the beginning of (,s x -.zcj/ucl3, 0zraxrgbfr67iudthe experiment and after two days in both bottles.


What is GPP ;NPP and R?

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64#
 
单选题 ( 1.0 分) (组内19/20) 切至整卷模式 搜藏此题  
  Figure: Earth's carbon storages & annual fl ht0mgox mgg5+; 5u6wpmor)3dows in GT yr1



[Source: Adapted from NOAA Global Monitoring Laboratory (n.d.) Measuring & Analyzing Greenhouse Gases: Behind the Scenes. Retrieved March 20, 2022, from https://gml.noaa.gov/outreach/behind_the_scenes/gases.html . Copyright under Public Domain]
Using the Figure, calculate a net flow of carbon.

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65#
 
问答题 ( 1.0 分) (组内20/20) 切至整卷模式 搜藏此题  
Figure: Capture fisheries by region 1988-2020)h83sro on 0zr


[Adapted from OurWorldinData.org (2021) Capture fishery production. Retrieved Sept 8, 2023 from https://ourworldindata.org/grapher/capture-fishery-production?time=1988..latest CC BY 3.0]
Capture fisheries involve species that are generally higher up in the food chain, often feeding as secondary consumers. Suggest two possible impacts overfishing of these species might have on the ecosystems they belong to.
2
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66#
 
单选题 ( 1.0 分) (组内1/10) 切至整卷模式 搜藏此题  
第 4 题组 (共 10 题 10 分)
  Figure: Selected data 1f1w68u o/(w: q2(wbyt v5pr yci zkppfor a biome

Deduce the biome represented by the information in the Figure.

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67#
 
单选题 ( 1.0 分) (组内2/10) 切至整卷模式 搜藏此题  
  Figure: Climate graph oft3m7eo8d2 btma,ok 6 y Rome, Italy



[Data source: Servizio Meteorologico dell'Aeronautica Militare. (2000). Average monthly rainfall and temperature for Rome. Retrieved 25 July 2023 from https://it.wikipedia.org/wiki/Stazione_meteorologica_di_Roma_Ciampino. Copyright free.]
Identify the average monthly rainfall (mm) for Rome in March.

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68#
 
单选题 ( 1.0 分) (组内3/10) 切至整卷模式 搜藏此题  
  Describe the concept of "kj7m+ /guqu rs.tr94ezonation’’by choosing one or more statements from the followr /r +g.9kjsu 4tqmu7eing.
I. Zonation is the changes in communities along an ecological gradient such as changes in altitude up a mountainside.
II. Zonation is normally studied using transect methods along the environmental gradient.
III. Environmental changes as applicable to zonation are linear changes of biotic or abiotic factors. Distinct communities form as these factors change.

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69#
 
单选题 ( 1.0 分) (组内4/10) 切至整卷模式 搜藏此题  
  Biomes are characterized by climatic patterns and other physical va2n anx6/me 4qsr:ltc4l1l 6oq riables. List the main fa 4oa tll:mecsn1q/r664q n l2xctors that characterize the terrestrial biomes.

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70#
 
单选题 ( 1.0 分) (组内5/10) 切至整卷模式 搜藏此题  
  State which is not a description of the rainforest bio:n6m+i p rfze-me.

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71#
 
单选题 ( 1.0 分) (组内6/10) 切至整卷模式 搜藏此题  
  Identify the correct statement relatu9 er.y2tk53do; 97lcy i9w oxjdt:qwed to diversity in an ecosystem.

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72#
 
单选题 ( 1.0 分) (组内7/10) 切至整卷模式 搜藏此题  
  Figure: Climate graph of Rome, Itaz9guo 0ubedls0+v9aq+lsw;8 ly


[Data source: Servizio Meteorologico dell'Aeronautica Militare. (2000). Average monthly rainfall and temperature for Rome. Retrieved 25 July 2023 from https://it.wikipedia.org/wiki/Stazione_meteorologica_di_Roma_Ciampino. Copyright free]
Calculate the percentage increase from the month with the lowest rainfall to the month with the highest rainfall in Rome, Italy.

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73#
 
单选题 ( 1.0 分) (组内8/10) 切至整卷模式 搜藏此题  
  Figure: Net primary productivi:*q 2 9a klpqrlid;p-ity and biomass of two herbivores in different biomql-2i k9 :*arpi;pql des


Identify the biomes that are likely to be shown in the graph.
What is Biome A and Biome B?

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74#
 
单选题 ( 1.0 分) (组内9/10) 切至整卷模式 搜藏此题  
  List the changes in biodiversity, GPP and NPP as primi9 yfk bo-:1a+dz hqt /1pnv1 h2t1ylxary succession progresses from a pioneer commv i+xlanp29 -k: z1 tq1yyo/b1thdhf1 unity to a climax community.
What is Biodiversity, GPP and NPP?

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75#
 
单选题 ( 1.0 分) (组内10/10) 切至整卷模式 搜藏此题  
  Identify which of the following statements is not hh- fp17lgvmp o7w3.ycorrect in describing the change3ml f vypw-g.1ho hp77s in productivity during primary succession.

GPP: Gross Primary Productivity
GSP: Gross Secondary Productivity

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76#
 
单选题 ( 1.0 分) (组内1/10) 切至整卷模式 搜藏此题  
第 5 题组 (共 10 题 10 分)
  State the abiotic factor that can be measured using a Sssz 9;ax/j pk,wb duv gk0*(j0 9c8bvgecchi disk.

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77#
 
单选题 ( 1.0 分) (组内2/10) 切至整卷模式 搜藏此题  
  Figure: Set-up to invespufmg dbcy-v6x i :r;jb/5 b/1tigate the effect of temperature on the rate of photosynthesis r 5ugfpb/6bi -xc:yb/1m ;dvj



[© Revision Village 2022. Created with Chemix (https://chemix.org)]
Which of the following is not a method of keeping a controlled variable at a constant value throughout this particular experiment?

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78#
 
单选题 ( 1.0 分) (组内3/10) 切至整卷模式 搜藏此题  
  

Leaf stem longer than 2 cm go to 2
Leaf stem shorter than 2 cm go to 3

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79#
 
单选题 ( 1.0 分) (组内4/10) 切至整卷模式 搜藏此题  
  Figure: A quadrat in a fbs f: 6s f:7d-ckzvw(03.dueczkm q/nield



The Figure shows a field with small yellow and medium blue flowers, as well as some four-leaf clover.
Calculate the percentage frequency of the small yellow flowers.

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80#
 
单选题 ( 1.0 分) (组内5/10) 切至整卷模式 搜藏此题  
  An entomologist used a ser ;bi2tens; yxi7rqplq-t.:,.6hysta pv); bxies of insect traps to capture specimens of beetle A. On b;r.xnbyt,;;el qti7a y.s i6p2q -xh) :spvt the first day, 1656 insects were caught, of which 324 were beetle A and were marked. The next day the traps held 1185 insects, of which 21 were marked individuals out of a total of 469 of this species.
Estimate the size of the population of beetle A using the Lincoln index.
Lincoln index = n1×n2nm
where

n1 is the number caught in the first sample
n2 is the number caught in the second sample
nm is the number caught in the second sample that were marked

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81#
 
单选题 ( 1.0 分) (组内6/10) 切至整卷模式 搜藏此题  
  To increase the reliability of the data, it is important to take muoj z6 axel(w:oq8*m ,lltiple readings of the same factor. w6*:(zaqxlml, j8eoo
Identify the factor that would require the most readings to ensure its reliability.

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82#
 
单选题 ( 1.0 分) (组内7/10) 切至整卷模式 搜藏此题  
  Figure: Equipment usedoln hzlr65d vo6m5s(9 in ecological sampling


[Wondrak-Biel, A. (2011) Equipment used to determine soil stability. Wikimedia Commons. Retrieved Aug 2, 2023, from https://upload.wikimedia.org/wikipedia/commons/c/cf/Equipment_used_for_determining_soil_stability._%28bdfac7b9-e781-44d1-a75f-6e44f84ec5be%29.jpg. Public Domain]
Label the device in the Figure indicated by the arrow.

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83#
 
单选题 ( 1.0 分) (组内8/10) 切至整卷模式 搜藏此题  
  Figure: Species data for two samples of Willow n5cp m*4eg0guCreek




Use the formula to calculate Simpson’s Diversity Index for the north sample.

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84#
 
单选题 ( 1.0 分) (组内9/10) 切至整卷模式 搜藏此题  
  Figure: Species data for species sampled in two parts of Willow Ch yzly. )8 lp4tc1y5xyreek




Willow Creek runs north to south past Happy City. Ecologists want to investigate the effect the city is having on the diversity of the Willow Creek ecosystem.
Calculate Simpson’s Diversity Index for the locations north and south of the city to determine the effect of the city on the creek.

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85#
 
单选题 ( 1.0 分) (组内10/10) 切至整卷模式 搜藏此题  
  State which of the following sampling technique/ nm(+2ktahcv(ywa 72f i8c(nsiyz5is is not effective for sampling motile (moviiwvyatn khc(a zic25nm+/ fi8s(72(yng) specimens.

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