SL Topic B4.2 Ecological niches - 无忧得胜-网上国际课程 (5edu.win)

1#

第 1 题组 (共 4 题 4 分)

1. Pseudomonas aeruginosa is a bacterium that can respire using ro eyjwk(0w* 0oxygen and also withou(yroewkw*00 j t oxygen in its environment. It can live in soil and water where it causes infections in many species of plants and animals.
Which is the best description of Pseudomonas aeruginosa?

A. A facultative anaerobe and obligate parasite.

B. An obligate anaerobe and obligate parasite.

C. A facultative anaerobe and facultative parasite.

D. An obligate anaerobe and facultative parasite.

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2#

单选题 ( 1.0 分) (组内2/4) 切至整卷模式搜藏此题

2. Which of the following are components of the ecologic1 nfxrwbn.6:inn :8wj al niche of an organism?nw:f.nwn1:6 n8 x rijb
I. Abiotic factors.
II. Biotic factors.
III. Position of the organism in a food web.
IV. Light availability.

A. All of the above

B. II and IV only

C. I, II and III only

D. I, III and IV only

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3#

单选题 ( 1.0 分) (组内3/4) 切至整卷模式搜藏此题

3. What is an obligate mixot/vn:e v) lgui/rophic protist?

A. A photosynthetic prokaryote that requires organic molecules from the environment.

B. An autotrophic eukaryote that requires organic molecules from the environment.

C. An insectivorous plant.

D. An autotrophic eukaryote that cannot utilise light as a source of energy.

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4#

单选题 ( 1.0 分) (组内4/4) 切至整卷模式搜藏此题

4. What is the best description of ho 0tmhn u1zgypx, ,hv* lb77w8rlozoic nutrition?

A. Organic nutrients are ingested, digested, absorbed, and assimilated.

B. Inorganic nutrients are ingested, digested, and assimilated

C. Organic nutrients are digested externally.

D. Nutrition for animals with a hollow body structure.

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5#

问答题 ( 1.0 分) (组内1/2) 切至整卷模式搜藏此题

第 2 题组 (共 2 题 2 分) 当前第1/2题

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5. The image is of a deciduous forest.

(a) Complete the table with details of the abiotic factors affecting p:amexz85u0,y, lrk prlant growth in the canopy and on the forest floork0,5aryl8x, up: rem z.
Use comparative terms like ‘more / higher / less’.
The first row has been completed as an example.

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6#

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第 2 题组 (共 2 题 2 分) 当前第2/2题

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5. The image is of a deciduous forest.

(b) Outline two adaptations to the availabili5jj ih(6e hyd0o3esv-ty and quality of light that would be expected in plants that grow on th30jhhyde -eisv( 5j6 oe forest floor

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7#

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第 3 题组 (共 2 题 2 分)

6. Contrast the fundamental pf 6zk8(+ qcan+gu. :e6 kkfrk9 q1dxhniche with the realized niche of a species.

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8#

问答题 ( 1.0 分) (组内2/2) 切至整卷模式搜藏此题

7. Discuss the outcomesaf0e*lj6zy x f kyb1-n;d8a 8c you might expect if two species have very similar niches, and they are in direc8fy l0ja6fy k *;xdaz -e81cbnt competition for resources in the habitat.

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本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
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