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习题练习:Unity and Diversity A.8 Evolution and Speciation



 作者: admin   总分: 25分  得分: _____________

答题人: 匿名未登录  开始时间: 24年01月01日 20:59  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The diagram shows the hapu*2d7c bpze1(1 kzvn.6y/ p agd tw+wv)yt4qlloid number of chromosomes in a gamete. What could be the polyploid number of chromosomes7dtzc*klwny4vd +1. 2 p)1q/puvwezgbt(6 y a for this organism?



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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The overall structure of the fin of a whale, in terms ox 6i3*p- k p0 llzzu,cct6ov0ff bones and muscles, is similar to the overall structure of the limb of horses. What are these structures referredl360ccp6 f vi-u zkt,x lp0oz* to as?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is the strongest evidence supporting the hypothesisadl9;v-h gmda, .qor :-fc;zd that two populations are to r;g ,ad. ;:dlafmqz d-c9h-vwo different species?

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4#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
The male firefly (P. pyralis) sifcdkw g pt.vfj(5/f*f7ret (3gnals to potential female mates by flashing its lights in specific patterns. Females/gff5pre 7( (f dv .wtc3tjf*k will only respond to light patterns produced by their own species.

1.Identify the form of reproductive isolation that fireflies exhibit. Justify your answer.

2.Suggest one possible advantage of this mating ritual.

3.All fireflies seen today have diverged from the same ancestral species. Explain how speciation is responsible for the large variety of firefly species.
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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What can result in speciation among organisms living in the same locationm i5b )dig3(obt9-svy ?

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which describes the simx .awo7u,suw,ilarities and differences between isolating mechanisms in sympatric and awswx, 7u uao,.llopatric speciation?

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following are often barriers to hybridisation between sns7zv ;,u.jgfo9z/ h6bbsc y:pecies?
I. A given animal hybrid species has an even, as opposed to an odd number of chromosomes.
II. Two species of flowering plants produce gametes at different times of the year.
III. Behavioural barriers exist due to variations in bird song between species.

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which is a key difference jn xa/1l2l*bubetween homologous and analogous structures?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The table shows factors that can result in speciation. ta tb0y*7(umo Which word is matched to the correct defini7yauto (*tbm0tion?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Shown in diagrams A and B are two poz -wdr tz/ )1/gcqs* ywbe7w -z7t7idairs of similar structures.

Which of the following statements correctly explain the structural similarities shown in diagrams A and B?
I. Structural similarities in diagram A are primarily due to random mutations, not common ancestry.
II. Structural similarities in diagram B are due to the fact that they both perform similar functions.
III. Diagram A depicts analogous structures, and diagram B depicts homologous structures.

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What sequence of events usually occur during the process of speciation?:tf (zt1+4 ey(lhnhs f

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Triticum monococcum is an einkorn wheat and was the first +2j8 43 iizm2-wvzywf dmwnik3g.i -w domesticated crop. It has a diploid number of 14 chromosomes. Triticum turgidum is a durum wheat with a total of 28 chromosomes. It is a result of the hybridization of Triticum monococcum and another grass Aegilops speltoides which also has a diploid number of 14. What is the correct term for Triticum turgii -wnv wzk3jz-d 2 m4+gif y8mwwi23.idum in comparison to Triticum monococcum?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  It is thought that the congo (gdmvysej8n9 s,p d8, river divided a population of the common ancestor of bonobos (Pan paniscus) an ,d8n( pse9svg d,myj8d chimpanzees (Pan troglodytes), resulting in geographic isolation. Which correctly pairs theoretical selection pressures and consequent adaptations of the two populations?


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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following provides evidence for evolwhtl) +q ,vs,qution through selective breeding? sl,+),hqvwt q
I. Phenotypic variation in the domesticated dog (Canis familiaris) has increased significantly as a result of humans selecting desirable traits.
II. Crop yield in domesticated crop plants is significantly greater than their wild relatives.
III. Homo sapiens in many parts of the world have alleles that provide resistance to diseases endemic to their region.

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The base sequence between two species( 7nolriofa+ nc*:0ed was found to be 78% the same, while the order of amino acids found in the same cell types between two species was 82% t0e lc+:nni(o*frda7 ohe same. What may be the reason for this?

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a horse, which has 64 chromosomes, and a donm00 8) w8s+9cr2 pwwourdpcwakey, which has 62 chromosomes reproduce, a mule offspring is produced. Which are correct descriptions of mup d8powuc 9 wa 2wwrs)0rm+8c0les?

I. Mules frequently produce offspring with other mules.
II. Cells in mules cannot undergo meiosis but can undergo mitosis.
III. Mule gametes have 63 chromosomes.

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17#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
A study has been conducted on the effect of hormonal cont )s*,iunzz8 w8fl6t-.aa nzvaraception pollution on the mating calls of the adult male African clawed frog ania,s nlw) zf8zz8tau-.v * 6(Xenopus laevis). The spectrogram shows the frequency and volume of clicks (mating call) of control X.laevis and those exposed to oestrogen.


1.Distinguish between the clicks in the spectrogram between the control X. laevis and the X. laevis treated with oestrogen in 1 second.

The graph shows the average duration of the X. laevis mating calls when exposed to the hormone oestrogen.


2.Describe the effect of oestrogen on the duration of the mating call.

3.Explain why it is important to have the X.laevis control group.

4.Identify the independent variable in this study.

5.1.Predict the reproductive success of X.laevis exposed to 29.6 ng/L of oestrogen.
5.2.Outline the possible consequences of oestrogen exposure on X. laevis.
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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is adaptive radiat; :gdy:4q k4t2o+-dkdkw)awe 9vj dydion?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which statement best illustrates the proc:qw.g c/lk,rjq5vh9s ess of evolution?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two species of smartweed (genus Persicaria) hybriacljie8;w7 l,dise and form a new species. If both of the parent species have til l7ace, w;8jwo copies of each chromosome, how many copies of each chromosome is a daughter species most likely to have?

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21#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
1.Compare and contrast natural selection and selectia0 n. trm8rw;wve breeding.

2.Using a named example, outline convergent evolution.

3.Using named examples, discuss the evidence which supports the theory of evolution.
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22#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
1.Outline how polyplosvz2i*a7( 62t uf xnwwidy results in reproductive isolation.

2.Discuss the evidence for the theories of gradualism and punctuated equilibrium.

3.Explain the reasons for changes in allele frequency in different populations.
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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which is most likely a correct description of a given specy8eeuxse *51c iation event?



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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The diagram below shows the feeding areas of four species of warbler (genus Set-h im:l y/5(r u7bbdjuophaga). What is the best explanation for how these warblers c/ujb hml 7br(:5idyu-ame to coexist in such close proximity?


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25#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
1.Adaptive radiation resul7 ew2x- p2yowbts in a single ancestral species evolving into multiple, closely related new species which may live in close proximity to each other. Outline 3 mb 27y w2eoxw-pechanisms by which closely related species living in close proximity may be reproductively isolated.

2.Outline the process by which two species may be formed from an ancestral population through the process of allopatric speciation.

3.Describe how sexual and asexual reproduction can lead to the formation of new species with different numbers of copies of each chromosome.
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