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?作业考试练习?IB环境系统与社会?Aquatic Food Production

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习题练习：Aquatic Food Production

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作者: Amoureux 发布日期: 2025-07-04 18:25 总分: 19分得分: _____________

答题人: 游客未登录开始时间: 25年06月29日 22:26 切换到: 整卷模式

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Chilean purse seine harvesting Mackerel off the coast of Pe6 ahgn3txro ,(ru

Deduce which of the following terms would best describe the process shown in the figure.

A. Sustainable fisheries

B. Small-scale fisheries

C. Aquaculture

D. Commercial fisheries

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Identify which of the following are the major producers in aquatic ecosysyahrw; :+w8tutems.

A. Small fish species

B. Grasses

C. Phytoplankton

D. Seaweed

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Atlantic Cod Fisheries off the Coast of Eastern Canada 1850-20w mdv iwk5tx0)s6pxet z0iwe0rpj 513u dm*2000

Use the Figure to estimate the year the Atlantic cod fishery harvest was the greatest.

A. 1960

B. 1965

C. 1970

D. 1990

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

International conflicts can occur over disputes between countries regarding cc:3m frk3ax9 dommercial fishif rxkcam39 d3:ng practices.

Identify which is not a way of mitigating (reducing) these disputes.

A. Removing strict laws that govern fishing practices

B. Adding more multi-government legislation on commercial fishing

C. Furthering education on more sustainable methods of fishing

D. Creating organizations and commissions to better govern current fishing practices in international waters

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Atlantic Cod F)ro i)t2;yy hmcl /he6isheries of the Coast of Eastern Canada 1850-2000

Identify the most likely cause of the significant decrease in the number of fish caught seen in the early 1970s.

A. Climate change

B. A fish disease

C. Ocean current changes

D. Overfishing

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Chilean purse seine harvesting Mackerel of the coast of nv4b58 7o :7/livn4;g s srdvmlht6vk Peru

Identify a possible negative environmental impact of the method shown in the Figure.

I.
Bycatch - non-desired fish species are caught as well
II.
Overfishing due to the volume of each catch
III.
Changes to ocean currents
IV.
Damage to ocean ecosystems through nets being dragged

A. I and II only

B. I, II, and IV only

C. I, II, and III only

D. I, II, III, and IV

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

State which of the following is not true about phytoplankton. 25iyphbrs89t

A. They are the base of aquatic food chains.

B. They are photosynthetic organisms.

C. They produce almost half of the earth's oxygen.

D. They live at the bottom of the ocean.

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Outline how aquaculture cabm)+-or)wo45tc po xq r ul7c 5bzib5(n impact its surrounding environment.

A. Aquaculture has no negative impacts as it can be controlled well and does not involve the addition of extraneous compounds

B. The use of genetically modified fish can lead to an increase in biodiversity when these fish reproduce with wild species.

C. Aquaculture can include the use of antibiotics and hormones, which can spread through the water and impact other aquatic organisms.

D. Fish feed can accumulate in the system, leading to an increase in phosphates and nitrates that can biomagnify across the food chain.

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Global Seafood Prgp:)0weh dh:m o .u5tiaox0 (aoduction from 1960 - 2015

The figure above shows the rise of both aquaculture and wild capture fisheries over the years. Explain which of the below is not a reason for the increase seen in the figure.

A. All fish produced in both systems are cheap and therefore accessible to a larger percentage of the earth's population.

B. Population increase has been very rapid and requires a range of resources to feed the growing population.

C. More people are choosing fish as their protein of choice as it is much lower in emissions as compared to beef.

D. Seafood is considered a healthier option and thus has become a staple food for many trendy diets.

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Number of whales killed glob1u1q*8s dqkci n:dj.jally from 1900 to 2012

Commission (IWC) agreed to a pause in commercial whaling, which came into action in 1987.

To what extent has the IWC been successful in the conservation of this controversial species?

A. The IWC was very successful in limiting commercial whaling, as the number of whales killed decreased after the agreement.

B. The IWC was successful in limiting commercial whaling as the numbers started to decrease starting in 1970.

C. The IWC was successful in limiting commercial whaling; however, it can be seen that there are still incidences of commercial whaling.

D. The IWC was not successful in limiting commercial whaling, as it can be seen that there are still incidences of commercial whaling.

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: The Maximum sustainable yield (MSk;)xet 9(u2g sy(vn sgY) of fish stocks.

Determine which of the points 1, 2 or 3 from the figure above represents the most sustainable harvest of fish.

A. None of the points represent a sustainable harvest of fish as they are all overfished.

B. Point 1 represents the most sustainable harvest as it is below the MSY.

C. Point 2 represents the most sustainable harvest as it is on the MSY.

D. Point 3 represents the most sustainable harvest as it is below the MSY

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Identify which of the followinp/g ouyuj cc8 )iw,1xy.f9/h mg is true about aquatic food production systems.

A. Aquaculture refers to the harvesting of naturally living resources from their ecosystem.

B. The epipelagic zone, from the surface down to 200m deep, is the area of the ocean where light and nutrients are most abundant.

C. Harvesting of aquatic organisms is usually done in deep oceans due to their high biodiversity.

D. Marine ecosystems are plentiful on Earth (70% of Earth's surface) and thus, resources can be harvested without concern for sustainability.

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13#

填空题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Capture fisheries by r eavt79lg w9yzcl6l49o - oi/megion 1988-2020

(i) Identify the region of the world that harvested the second-largest amount of fish in 1990.

(ii) Estimate the amount caught by that region in that year. About tonnes.

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14#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Capture fisheries by rem- z2a ayg;;hdai+sg) gion 1988-2020

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.

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15#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Capture fishwwt,/ wmwj5 x)eries by region 1988-2020

Explain two possible reasons East Asia and Pacific fisheries caught significantly more fish than other regions after 1996.

该题自我估分: (必填) (满分:1.0分)

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16#

填空题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Capture fisheries by regionv1zz5nvo,7 mb 1988-2020

Distinguish between the overall trends for Latin America and the Caribbean and South Asia from 1988 to 2020.
The catch in Latin America and the Caribbean is .
The catch in South Asia is .

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17#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Capture fisheries by i1+g*e lk* e ja6dhc qwu8n(vzb9pf:6 region 1988-2020

Most countries' capture fisheries are not currently practising sustainable fishing methods. Aquaculture is fast overtaking capture fisheries in the amount of tonnes of food fish being produced. Considering these facts, predict one way the trends seen on this graph might appear over the next 20 years (2020 to 2040).

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18#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

Outline two benefits and two drawbacks of the gllyy. wfq1ik, pd w;;/cobal growth of aquaculture.

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19#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

“Both capture fisheries and aquaculture are necessary prpby ast3ajb s8y /:)7z8 byy/uocesses that need to be continued into the future for the benefit of hu)ya t 8/sy8y/7yzpb aus:3bjb mankind.''

Evaluate several considerations in support of this statement.

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总分:19分及格:11.4分时间:不限时

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