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TOEFL TPO 73 Speaking Task 3 Sample: Explain how the example of minnows and trout illustrates the concept of generalization to avoid predators.

Exemples historiques de réponses d'utilisateurs et résultats d'évaluation par IA issus d'un ancien format du TOEFL.

106 exemples d'utilisateurs archivés

Ancien Format du TOEFL

Cette tâche provient d'une ancienne version de l'examen TOEFL. Le TOEFL actuel a une structure différente. Ces exemples archivés restent disponibles à titre de référence pour s'entraîner.

Aperçu de la Tâche

Texte de Lecture

Generalization to Avoid Predators For animals to avoid predators and stay safe, they need to be able to identify which other animals might be dangerous predators. Animals can sometimes recognize new predators by their similarity to predators they are familiar with. This phenomenon is known as generalization. When they encounter an unfamiliar animal that has the same characteristics as a known predator, they generalize by behaving the same way they would to avoid the known predator. An animal's ability to generalize can vary based or how similar the unfamiliar animals are to the original predators; the more similar they are, the more likely the animal is to generalize.

Question

Explain how the example of minnows and trout illustrates the concept of generalization to avoid predators.

Exemples d'Utilisateurs et Résultats d'Évaluation

1

Exemple d'Utilisateur #1

Score
23

Résultat de l'Évaluation

1.子项得分 Delivery: 3 Language Use: 2.5 Topic Development: 3

2.预估分数 Estimated Score: 23

3.表达 从表达方面来看,发言者的语言流利度和语速基本一致,但偶尔有停顿。为了提高发言质量,建议发言者注意以下几点:1) 在发言过程中尽量减少不必要的停顿;2) 注意正确发音,以避免拼写错误。通过改进这些方面,发言者的表达能力将得到提高。

4.话题发展 The speaker's response is generally coherent and well-organized, with clear connections between ideas. However, there are some inaccuracies in the content, such as referring to "mannose" instead of "minnows" and "electrode" instead of "lake trout." To improve topic development, the speaker should focus on using accurate terminology and providing sufficient support or examples from the reading and listening materials. Additionally, the speaker should work on refining their language use to better convey their ideas and make their response more coherent.

5.语言使用

Original Answer: Animals who recognize new predators by similarity to the predators they have known is called generalization. They generalize it based on how similar the new predators and the old predators are. And the mannose is a small fish and it's eaten by an electrode. When they meet the electrode, they can react to the smell of the electrode and when they meet the electrode, they get together and don't move a lot. Then the cetaceans put two species into the mannose and the first is similar to the electrode and the other is quite different and they only react to the similar electrode.

Corrected Answer: Animals that recognize new predators by their similarity to known predators exhibit a behavior called generalization. They base this generalization on how similar new predators are to old ones. The minnow is a small fish that is preyed upon by lake trout. When minnows encounter lake trout, they react to its scent and group together, minimizing movement. In an experiment, scientists introduced two new species to minnows: one similar to lake trout and another quite different. Minnows only reacted defensively to the similar species. (将"who"改为"that",将"mannose"改为"minnow",将"electrode"改为"lake trout",将"cetaceans"改为"scientists",简化句子结构,提高语言流畅性。)

Revised Answer (140 words): Animals that recognize new predators by their similarity to known predators exhibit a behavior called generalization. They base this generalization on how similar new predators are to old ones. The minnow is a small fish that is preyed upon by lake trout. When minnows encounter lake trout, they react to its scent and group together, minimizing movement. This defensive behavior helps them avoid being eaten. In an experiment, scientists introduced two new species to minnows: one similar to lake trout, such as brook trout, and another quite different. Minnows only reacted defensively to the similar species, illustrating the concept of generalization to avoid predators. This example demonstrates how animals can adapt their behavior based on their ability to recognize potential threats, even if they have never encountered them before, ultimately increasing their chances of survival.

6.思维导图

  • Generalization

    • Recognizing new predators
    • Similarity to known predators
  • Minnows

    • Small fish
    • Preyed upon by lake trout
  • Defensive behavior

    • Reacting to scent
    • Grouping together, minimizing movement
  • Experiment

    • Two new species introduced
    • One similar to lake trout, one different
  • Concept illustration

    • Minnows react defensively to similar species
    • Generalization to avoid predators

7.关键词

WordPhonetic SymbolsParts of SpeechEnglish definitionsSimplified Chinese translationsSample sentences
Generalization/ˌdʒɛnərəlaɪˈzeɪʃən/nounThe act of forming general concepts or principles概括,归纳Generalization helps animals identify potential threats by recognizing similarities to known predators.
Predator/ˈprɛdətər/nounAn animal that hunts and kills other animals捕食者The minnow's ability to recognize new predators is crucial for its survival in the wild.
Defensive/dɪˈfɛnsɪv/adjectiveIntended to protect or prevent attack防御性的Minnows exhibit defensive behavior when they sense the presence of a predator, such as lake trout.
Experiment/ɪkˈspɛrɪmənt/nounA test or trial to discover something实验The experiment with minnows and different fish species demonstrated the concept of generalization.
React/riˈækt/verbTo respond or behave in a particular way反应,回应Minnows react to the scent of lake trout by grouping together and minimizing movement.
2

Exemple d'Utilisateur #2

Score
23

Résultat de l'Évaluation

1.子项得分 Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数

23. 3.表达

从表达方面来看,这个回答的语言流利度和连贯性还不错,但有时会出现一些停顿。为了提高口语表达能力,建议在练习时注意掌握语速和节奏,尽量减少不必要的停顿。同时,注意发音的准确性,以免出现拼写错误。

4.话题发展 从话题发展方面来看,这个回答基本上涵盖了阅读和听力材料中的关键信息,并且在组织结构上也比较清晰。但是,在连接观点和提供支持或例子方面还有待加强。为了提高话题发展能力,建议在练习时更加关注如何将阅读和听力材料中的信息进行有效整合,并尝试使用更多的连接词来使观点之间的联系更加紧密。

5.语言使用

Original Answer: According to the given materials, generalization to avoid predators occurs when animals recognize new predators by their similarity to predators they are familiar with, and they behave the similar way as they do to avoid familiar predators. In the given materials, it is mentioned that animals use generalization to avoid predators by recognizing new threats based on their similarity to known predators and reacting similarly to evade them. (将句子结构进行了调整,使其更自然流畅。)

The bioengineering show provides an example of minnow to illustrate this phenomenon. The biology lecture provides an example of minnows to illustrate this concept. (更正了词汇错误,并调整了句子结构。)

Minnows are hunted by lake trout. When they encounter lake trout, they get together and don't move. Minnows, which are preyed upon by lake trout, tend to group together and remain motionless when encountering them. (使用了更高级的词汇和更自然的表达方式。)

Scientists went to explore the reaction of minnows when they encounter other kinds of fishes. Scientists conducted an experiment to investigate how minnows react when exposed to other types of fish. (改进了句子结构和词汇选择。)

There are two groups of fishes. One group is brook trout. It is similar to lake trout. The second group is a totally different fish. The experiment involved two types of fish: brook trout, which are similar to lake trout, and another completely different species. (合并了相关信息,使句子更紧凑。)

When minnows smell the brook trout, they behave the similar way when they encounter lake trout. Upon detecting the scent of brook trout, minnows exhibit the same behavior as when encountering lake trout. (调整了句子结构,使其更自然。)

When they smell the other kind of fish, they behave normally as they are not in danger. However, when exposed to the scent of the different species, minnows do not display any defensive behavior as they do not perceive any threat. (使用了更高级的词汇和表达方式。)

Revised Answer (140 words): In the given materials, it is mentioned that animals use generalization to avoid predators by recognizing new threats based on their similarity to known predators and reacting similarly to evade them. The biology lecture provides an example of minnows to illustrate this concept. Minnows, which are preyed upon by lake trout, tend to group together and remain motionless when encountering them. Scientists conducted an experiment to investigate how minnows react when exposed to other types of fish. The experiment involved two types of fish: brook trout, which are similar to lake trout, and another completely different species. Upon detecting the scent of brook trout, minnows exhibit the same behavior as when encountering lake trout. However, when exposed to the scent of the different species, minnows do not display any defensive behavior as they do not perceive any threat.

6.思维导图


- Generalization to avoid predators
  - Recognizing new threats
  - Reacting similarly to evade them

- Biology lecture example
  - Minnows and lake trout
    - Group together and remain motionless
  - Experiment
    - Brook trout (similar to lake trout)
      - Minnows exhibit the same behavior
    - Different species (not a threat)
      - Minnows do not display defensive behavior

7.关键词

WordPhonetic SymbolsParts of SpeechEnglish definitionsSimplified Chinese translationsSample sentences
Generalization/ˌdʒɛnərəlɪˈzeɪʃən/NounThe act of forming general concepts or ideas归纳、概括Generalization helps animals identify potential threats by recognizing similarities with known predators.
Prey/preɪ/NounAn animal hunted or caught for food猎物Minnows are prey for lake trout, so they have developed defensive behaviors to avoid being eaten.
Defensive/dɪˈfɛnsɪv/AdjectiveIntended to protect or deter防御性的Minnows display defensive behavior, such as grouping together and remaining motionless, to evade predators.
Experiment/ɪkˈspɛrɪmənt/NounA scientific test or procedure实验Scientists conducted an experiment to investigate how minnows react to different types of fish.
Species/ˈspiːʃiːz/NounA group of living organisms with similar characteristics物种The experiment involved two types of fish: brook trout, which are similar to lake trout, and another completely different species.
3

Exemple d'Utilisateur #3

Score
23

Résultat de l'Évaluation

1.子项得分 Delivery: 3 Language Use: 3 Topic Development: 4

2.预估分数

23. 3.表达

从表达方面来看,这个回答的语言流利度和语速基本上是一致的,但偶尔会有停顿。为了提高口语表达能力,建议在练习时注意掌握自然的语调和节奏,尽量减少不必要的停顿。同时,注意正确发音,以避免拼写错误。

4.话题发展 从话题发展方面来看,这个回答结构清晰、层次分明,观点之间的联系紧密,并且提供了充分的支持和例子。在这方面已经做得很好了。继续保持这种良好的组织结构和逻辑性,有助于提高口语表达能力。

5.语言使用

Original Answer: The experts conducted the experiments which exposes the small fish called minnow to its two unfamiliar predators. One predator is called brook trout, which is similar to the lake trout, which the minnow are familiar with in some ways. And in this group, it turns out that the minnow behaved in the same way as they met the lake trout, that is, to gather together to avoid being predicated. While the other predator is totally different from the lake trout. And in this group, the minnows behaved normally and their response seems like they are not in danger. So the experiment demonstrates how minnow recognize new predators by perceiving some similarities with its already known predators, which is a perfect illustration of generalization to avoid predators.

Corrected Answer: The experts conducted the an experiment which exposes exposed the small fish called minnow minnows to two unfamiliar predators. One predator is called brook trout, which is similar to the lake trout, - a species that minnows are familiar with in some ways. In this group, it turns out that the minnows behaved in the same way as they met encountered the lake trout, - that is, they gathered together to avoid being predicated preyed upon. The other predator is totally different from the lake trout. In this group, the minnows behaved normally, and their response seems like suggested they did not perceive any danger. So the experiment demonstrates how minnows recognize new predators by perceiving similarities with their already known predators, which is a perfect illustration of generalization to avoid predators.

(将“the”改为“an”,因为这里是指一个实验;将“exposes”改为“exposed”,使时态一致;将“minnow”改为“minnows”,使名词复数形式一致;删除逗号,用破折号连接两个短语;将“met”改为“encountered”,更符合语境;将“predicated”改为“preyed upon”,更准确地表达被捕食的意思;将“seems like”改为“suggested”,使表达更自然。)

Revised Answer (140 words): The experts conducted an experiment which exposed the small fish called minnows to two unfamiliar predators. One predator, the brook trout, is similar to the lake trout - a species that minnows are familiar with in some ways. In this group, it turns out that the minnows behaved in the same way as they encountered the lake trout - they gathered together to avoid being preyed upon. The other predator is entirely different from the lake trout. In this group, the minnows behaved normally, and their response suggested they did not perceive any danger. This experiment demonstrates how minnows recognize new predators by perceiving similarities with their already known predators, providing a perfect illustration of the concept of generalization to avoid predators.

6.思维导图


- Generalization to Avoid Predators
  - Experiment
    - Minnows exposed to two unfamiliar predators
      - Brook trout (similar to lake trout)
        - Minnows' behavior: gathered together, avoided being preyed upon
      - Different predator (not a trout)
        - Minnows' behavior: normal, no perceived danger
  - Conclusion
    - Minnows recognize new predators by perceiving similarities with known predators
    - Illustration of generalization concept

7.关键词

WordPhonetic SymbolsParts of SpeechEnglish definitionsSimplified Chinese translationsSample sentences
Generalization/ˌdʒɛnərəˈlɪzeɪʃən/nounThe act of making a general statement or concept by inferring from specific cases.概括、归纳Generalization helps animals identify potential predators by recognizing similarities with known threats.
Predator/ˈprɛdətər/nounAn animal that naturally preys on others.捕食者The lake trout is a predator that hunts minnows in their natural habitat.
Perceive/pərˈsiv/verbTo become aware or conscious of something; to grasp mentally.察觉、感知Minnows perceive the presence of new predators by detecting similarities with familiar ones.
Unfamiliar/ʌnfəˈmɪliər/adjectiveNot known or well known.陌生的The experiment exposed minnows to two unfamiliar predators to study their behavior.
Illustration/ˌɪləˈstreɪʃən/nounA visual explanation or example of something.说明、例证The minnows' behavior in the experiment serves as an illustration of the concept of generalization to avoid predators.
4

Exemple d'Utilisateur #4

Résultat de l'Évaluation

1.Sub Scores Delivery: 3 Language Use: 3 Topic Development: 3

2.Estimated Scores

23. 3.Delivery

The speaker's delivery is generally clear and fluid, but there are occasional pauses and some repetition of words. To improve, the speaker should practice speaking more consistently and work on reducing unnecessary pauses. Additionally, focusing on pronunciation can help eliminate any spelling errors that may arise from inaccurate pronunciation.

4.Topic Development The response is coherent and well-organized, with clear connections between ideas. However, the speaker could provide more specific details from the listening passage to support their explanation of generalization. To improve topic development, the speaker should practice incorporating more examples and evidence from the listening passage to strengthen their response.

5.Language Use

Original: Generalization is a concept where animals identify predators, they will act differently. When they encounter animals with same characteristics with their own predators, they will act similarly when they encounter the predator. The professor elaborates this idea providing examples of minnows and lake trouts. Lake trouts are a large fish and they are the predators of minnows. When minnows encounter lake trouts, they gather together so that lake trouts is hard to find them. Now the scientists put two different species. When minnows encounter brook trout, which is a similar species of trout, they smell the same thing and they do the same action, they gather together and do not move. When they encounter a different kind of animal, they react normally. So this is an example.

Corrected: Generalization is a concept where animals identify predators, (comma added for clarity)they will act differently. When they encounter animals with samesimilar (word choice improved) characteristics withto their own predators, they will act similarly when they encounter the predator. The professor elaborates this idea, (comma added for clarity) providing examples of minnows and lake trouts. Lake trouts are a large fish and they are the predators of minnows. When minnows encounter lake trouts, they gather together so that lake trouts isare (subject-verb agreement corrected) hard to find them. Now the scientists putintroduced (word choice improved) two different species. When minnows encounter brook trout, which is a similar species of trout, they smell the same thing and they do the same action, they gather together and do not move. When they encounter a different kind of animal, they react normally. So this is an example.

Revised (140 words): Generalization is a concept where animals identify predators and adjust their behavior accordingly. When encountering animals with similar characteristics to their known predators, they exhibit similar defensive behaviors. The professor illustrates this concept using the example of minnows and lake trout. Lake trout are large fish that prey on minnows. When minnows detect lake trout, they cluster together, making it difficult for the predators to locate them. In an experiment, scientists introduced two different fish species to the minnows. Upon encountering brook trout, a species similar to lake trout, the minnows recognized the scent and displayed the same defensive behavior by clustering together and remaining motionless. However, when exposed to a completely different fish species, the minnows did not exhibit any defensive behaviors, indicating that generalization occurs when animals perceive similarities between known and unknown predators.

6.Mind Map


- Generalization
  - Concept
  - Identify predators
  - Adjust behavior

- Minnows and Lake Trout
  - Example
  - Defensive behavior
  - Cluster together

- Experiment
  - Brook Trout
    - Similar species
    - Same defensive behavior
  - Different fish species
    - No defensive behavior

- Conclusion
  - Generalization occurs when animals perceive similarities between known and unknown predators.

7.Key Words

WordPhonetic SymbolsParts of SpeechEnglish DefinitionSample Sentence
Generalization/ˌdʒɛnərəlaɪˈzeɪʃən/NounThe process of forming general concepts by abstracting common properties of instancesGeneralization helps animals identify potential threats by recognizing similarities between known and unknown predators.
Predator/ˈprɛdətər/NounAn animal that naturally preys on othersThe lake trout is a predator that feeds on smaller fish like minnows.
Defensive/dɪˈfɛnsɪv/AdjectiveUsed or intended to defend or protectMinnows exhibit defensive behaviors when they sense the presence of a predator.
Cluster/ˈklʌstər/VerbGather or cause to gather into a groupWhen threatened, minnows cluster together to make it harder for predators to find them.
Experiment/ɪkˈspɛrɪmənt/NounA scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known factThe experiment showed that minnows can generalize their defensive behavior when encountering similar predators.
5

Exemple d'Utilisateur #5

Score
19

Résultat de l'Évaluation

1.子项得分 Delivery: 2 Language Use: 2 Topic Development: 3

2.预估分数

19. 3.表达

在回答中,发音不够清晰,语速不稳定,有时停顿过多。建议练习发音,使其更加准确,并保持语速的稳定性。同时,注意在适当的地方停顿,以提高整体表达的流畅度。

4.话题发展 回答内容基本上涵盖了关于鱼类示例的概括现象,但在组织结构上还有待改进。建议在回答中明确提到“generalization”这个概念,并更清晰地阐述闻到不同鱼类气味时鱼类的反应。此外,注意将“Minions”改为“minnows”,以避免混淆。

5.语言使用

The Minions The minnows (将“Minions”改为“minnows”,以避免混淆) are afraid of the Lake Trout, and when encountered they encounter them (修改句子结构,使其更自然流畅), they will decide to gather around and don't move so that the Lake Trout won't see them. Well, the researchers have found two kinds of fish that were similar to the Lake Trout, and one wasn't a trout at all. Well, when the Minions minnows (将“Minions”改为“minnows”,以避免混淆) smell the Brook Trout, which is a similar smell of the Lake Trout, they act the same when they encounter the Lake Trout. They gather together and decide not to move. But when they smell the smell of the one that's not a trout, they didn't react at all. So that's generalization.

Revised Answer (140 words):

The minnows are afraid of the Lake Trout, and when they encounter them, they tend to gather closely together and remain motionless in order to avoid being detected by the predator. Researchers conducted an experiment with two types of fish that were unfamiliar to the minnows; one was a Brook Trout, which is similar to the Lake Trout, while the other was not a trout at all. When the minnows detected the scent of the Brook Trout, they exhibited the same defensive behavior as they would when encountering a Lake Trout, by clustering together and staying still. However, when they sensed the odor of the non-trout fish, they did not display any signs of fear or defensive behavior. This demonstrates the concept of generalization in avoiding predators, as the minnows were able to recognize and respond to a potential threat based on its similarity to a known predator.

6.思维导图


- Generalization
    - Avoid predators
        - Minnows
            - Afraid of Lake Trout
                - Defensive behavior
                    - Gather closely together
                    - Remain motionless
        - Experiment
            - Brook Trout (similar to Lake Trout)
                - Same defensive behavior
            - Non-trout fish
                - No defensive behavior

7.关键词

WordPhonetic SymbolsParts of SpeechEnglish definitionsSimplified Chinese translationsSample sentences
Generalization/ˌdʒɛnərəlaɪˈzeɪʃən/NounThe act of forming general concepts or ideas概括Generalization helps animals recognize potential threats and avoid predators by learning from past experiences.
Predator/ˈprɛdətər/NounAn animal that hunts and kills other animals for food捕食者The lake trout is a predator that poses a significant threat to the minnows in their natural habitat.
Defensive/dɪˈfɛnsɪv/AdjectiveIntended to protect or prevent attack防御性的Minnows exhibit defensive behavior when they sense the presence of a predator, such as clustering together and staying still.
Experiment/ɪkˈspɛrɪmənt/NounA test or investigation to discover something unknown实验The researchers conducted an experiment to study how minnows react to different types of fish and their ability to generalize.
Unfamiliar/ˌʌnfəˈmɪliər/AdjectiveNot known or experienced before不熟悉的The minnows were exposed to the odors of two unfamiliar fish species in the experiment, one similar to the lake trout and one completely different.
6

Exemple d'Utilisateur #6

Score
20

Résultat de l'Évaluation

1.子项得分 Delivery: 2 Language Use: 2 Topic Development: 2

2.预估分数 总分:20

3.表达 从表达方面来看,发言者的语速较快,有时停顿不当。建议发言者注意语速,适当放慢,并在适当的地方停顿。此外,发言者在发音方面也存在一些问题,如将“minnow”发成了“Man O”,将“lake trout”发成了“Lake Chalk”。建议发言者多加练习,提高发音准确度。

4.话题发展 从话题发展方面来看,发言者对于示例的描述较为简略,没有充分阐述细节。建议发言者在描述例子时更加详细地说明事实和原因,以便更好地阐述概括以避免捕食者的概念。例如,在描述实验时,可以详细说明科学家是如何进行实验的,以及小鱼是如何对不同种类的鱼作出反应的。同时,在总结时可以强调这个例子是如何说明动物通过概括来避免捕食者的。

5.语言使用

原文:Here is the definition of generalization to avoid predators, which means animals can recognize new predators by their familiar to predators they are familiar with. Generalization to avoid predators refers to animals recognizing new predators based on their similarity to known predators.(这里的句子结构和表达需要改进,以使语言更自然。) In the listing, the professor explains the phenomenon with an example of a small fish called Man O. In the lecture, the professor illustrates this phenomenon using an example of a small fish called minnows.(将“listing”改为“lecture”,将“Man O”改为“minnows”,以提高准确性。) Man O lives in a lake and Lake Chalk is their predator, they get together and move when they face Lake Chalk. Minnows live in lakes where lake trout are their predators; they group together and move when encountering lake trout.(将“Man O”改为“minnows”,将“Lake Chalk”改为“lake trout”,并改进句子结构。) There is two different species that called Broke Chalk, it also the predator of Man O. There are two different species, one called brook trout, which is also a predator of minnows.(将“Broke Chalk”改为“brook trout”,将“Man O”改为“minnows”,并改进句子结构。) When Man O faces the Broke Chalk, because they smell the same smell as Lake Chalk, so they get together and move, but when they meet other kinds of fish, they move normally. When minnows encounter brook trout, they react similarly to lake trout due to the similar smell, grouping together and moving. However, when they meet other types of fish, they behave normally.(将“Man O”改为“minnows”,将“Broke Chalk”改为“brook trout”,将“Lake Chalk”改为“lake trout”,并改进句子结构。)

修订版(140字):

Generalization to avoid predators refers to animals recognizing new predators based on their similarity to known predators. In the lecture, the professor illustrates this phenomenon using an example of a small fish called minnows. Minnows live in lakes where lake trout are their predators; they group together and move when encountering lake trout. There are two different species, one called brook trout, which is also a predator of minnows. When minnows encounter brook trout, they react similarly to lake trout due to the similar smell, grouping together and moving. However, when they meet other types of fish, they behave normally. This example demonstrates how animals use generalization to avoid predators by recognizing new threats based on their resemblance to known predators.

6.思维导图

Generalization to Avoid Predators
├── Definition
│   └── Recognizing new predators based on similarity to known predators
├── Lecture Example
│   ├── Minnows
│   │   ├── Live in lakes
│   │   ├── Predators: Lake trout and Brook trout
│   │   └── Reaction: Group together and move when encountering predators
│   └── Experiment
│       ├── Exposure to two different fish species
│       ├── Similar smell: Brook trout
│       │   └── Minnows' reaction: Group together and move
│       └── Different fish: No reaction from minnows
└── Conclusion
    └── Example demonstrates generalization to avoid predators by recognizing new threats based on resemblance to known predators.

7.关键词

WordPhonetic SymbolsParts of SpeechEnglish definitionsSimplified Chinese translationsSample sentences
Generalization/ˌdʒɛnərəlaɪˈzeɪʃən/nounA general statement or concept obtained by inference from specific cases.概括Generalization helps animals avoid predators by recognizing new threats based on their resemblance to known predators.
Predator/ˈprɛdətər/nounAn animal that naturally preys on others.捕食者The lake trout is a predator of minnows, causing them to group together and move when they sense its presence.
Minnow/ˈmɪnoʊ/nounA small freshwater fish that typically forms large shoals.鲦鱼Minnows are small fish that live in lakes and have developed strategies to avoid predators like lake trout and brook trout.
Brook trout/brʊk traʊt/nounA freshwater fish native to North America, closely related to the lake trout.溪鳟When minnows encounter brook trout, they react similarly to lake trout due to the similar smell, grouping together and moving.
Resemblance/rɪˈzɛmbləns/nounThe state of resembling or being alike; similarity.相似性The resemblance between brook trout and lake trout in terms of smell causes minnows to react in the same way when encountering both species.

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