The Evolution Of Altruism Quiz! Trivia

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The Evolution Of Altruism Quiz! Trivia - Quiz


What do you realize about the evolution of altruism? Do you think you can pass this quiz? Altruistic behavior reduces the possibility that an individual will reproduce. The notion of group selection might explain the evolution of altruism, as Charles Darwin first presented it. The concept of group selection has been controversial throughout the history of evolutionary biology. Take this quiz and learn more about the evolution of altruism.


Questions and Answers
  • 1. 

    Which of the following is NOT true about mutations?

    • A.

      Mutations cause new traits to emerge.

    • B.

      Mutations change the DNA sequence of a cell´s genome.

    • C.

      Most mutations have positive effects for the organism

    • D.

      Mutations can cause errors in protein sequence.

    Correct Answer
    C. Most mutations have positive effects for the organism
    Explanation
    Although some mutations have positive effects for the organism most mutations are neutral or harmful.

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  • 2. 

    Which of the following is a process in evolution?

    • A.

      Mutation

    • B.

      Natural selection

    • C.

      Genetic drift

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Mutation, natural selection and genetic drift are all processes in evolution.

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  • 3. 

    Which of the following processes in evolution is NON-random?

    • A.

      Mutation

    • B.

      Natural selection

    • C.

      Genetic drift

    • D.

      All of the above

    Correct Answer
    B. Natural selection
    Explanation
    Mutation and genetic drift are both random processes in evolution, but natural selection is non-random.

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  • 4. 

    The use of antibiotics to fight bacteria might result in a population of bacteria that is resistant to antibiotics, because

    • A.

      ... individuals in the bacteria population become resistant to antibiotics

    • B.

      ... antibiotics might not effect a part of the bacteria population

    • C.

      ... antibiotics cause mutations in the DNA structure of the bacteria

    • D.

      ... antibiotics killed all the bacteria and new alien bacteria population arrived

    Correct Answer
    B. ... antibiotics might not effect a part of the bacteria population
    Explanation
    Some members of the bacteria population may be resistant to antibiotics and will, therefore, survive the "attack". These members will then reproduce and the new population will be resistant to antibiotics. This is a process of natural selection.

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  • 5. 

    Before the industrial revolution in England, there was a forest, which had a population of moths that were mainly white, with a few black moths. After the industrial revolution, there were mainly black moths and just a few white. This change in the moth population can best be explained by?

    • A.

      Mutation

    • B.

      Natural selection

    • C.

      Genetic drift

    • D.

      All of the above

    Correct Answer
    B. Natural selection
    Explanation
    Before the industrial revolution, the trees were mainly white, creating camouflage for the white moths. After the revolution, the trees got darker and created a camouflage for the dark moths. Camouflaged individuals are less likely to be eaten by a predator, thus likely to survive and reproduce.

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  • 6. 

    What is true about genetic drift?

    • A.

      Gene variants may disappear completely

    • B.

      Effect is larger in small population than in large populations

    • C.

      Random non-selective change in gene frequency over time

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the above is true about genetic drift.

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  • 7. 

    Biological altruism is when an organism puts itself at risk to help another organism. What of the following is true about altruistic behavior? Altruistic behavior...

    • A.

      ... contradicts the theory of evolution

    • B.

      ... can be explained by kin selection

    • C.

      ... can be explained by reciprocal altruism

    • D.

      ... B and C are correct

    Correct Answer
    D. ... B and C are correct
    Explanation
    It might seem intuitive that altruistic behaviour causes problems for the theory of evolution but actually brings further support for the theory of evolution.

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  • 8. 

    Which of the following is the best example of kin selection?

    • A.

      Alarm call of birds

    • B.

      Alarm signal of the Beldin ground squirrel

    • C.

      Blood sharing in vampire bats

    • D.

      Cleaning symbioses

    Correct Answer
    B. Alarm signal of the Beldin ground squirrel
    Explanation
    The alarm signal of the Beldin ground squirrel is the best example of kin selection because it involves an individual sacrificing its own safety by giving a warning call to alert other members of its family or group to the presence of a predator. By doing so, the individual increases the survival chances of its close relatives who share a high percentage of their genes. This behavior benefits the genetic fitness of the individual's kin, promoting the transmission of their shared genes to future generations.

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  • 9. 

    How many siblings must an organism save, if it loses its own life, for it to be a fair deal in evolutionary terms?

    • A.

      1

    • B.

      2

    • C.

      4

    • D.

      8

    Correct Answer
    B. 2
    Explanation
    1 identical twin
    2 siblings
    4 nephews
    8 cousins

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  • 10. 

    The prisoner´s dilemma is a great example of benefits of ...

    • A.

      ... selfish behaviour

    • B.

      ... kin selection

    • C.

      ... reciprocal altruism

    • D.

      ... rational choice

    Correct Answer
    C. ... reciprocal altruism
    Explanation
    In Prisoner´s dilemma the total benefit of players is the greatest if they cooperate.

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  • 11. 

    Cleaning symbioses can be explained by ...

    • A.

      ... kin selection

    • B.

      ... reciprocal altruism

    • C.

      ... both A and B

    • D.

      ... neither A nor B

    Correct Answer
    B. ... reciprocal altruism
    Explanation
    Cleaning symbioses can not be explained by kin selection since it involves members of different species. Both the cleaner and the host benefit from the symbioses so it counts as reciprocal altruism.

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  • 12. 

    Vampire bats share blood ...

    • A.

      ... randomly

    • B.

      ... only with relatives

    • C.

      ... selectively with bats whom they have received from

    • D.

      ... rarely

    Correct Answer
    C. ... selectively with bats whom they have received from
    Explanation
    Vampire bats share blood selectively with bats whom they have received from. This means that they have a preference for sharing blood with individuals they have previously received blood from. This behavior helps to establish and maintain social bonds within the bat colony. By selectively sharing blood with familiar individuals, vampire bats can strengthen relationships and increase the likelihood of receiving blood in return when they are in need. This selective sharing also reduces the risk of transmitting diseases or parasites to unfamiliar bats.

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  • 13. 

    A specific 32 base pair deletion in human CCR5 confers HIV resistance to homozygotes and delays AIDS onset in heterozygotes. This is an example of ...

    • A.

      ... beneficial mutation

    • B.

      ... natural selection

    • C.

      ... genetic drift

    • D.

      ... none of the above

    Correct Answer
    A. ... beneficial mutation
    Explanation
    This specific 32 base pair deletion in human CCR5 confers HIV resistance to homozygotes and delays AIDS onset in heterozygotes. This suggests that the mutation provides an advantage to individuals by increasing their resistance to HIV infection and delaying the progression of AIDS. Therefore, it can be classified as a beneficial mutation.

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  • 14. 

    In 1814, fifteen colonists went to live on the Island Tristan Da Cunha. By the 1960s there were 240 of them all descendants of the first fifteen. One of them carried (but was not affected by) a rare recessive mutation, retinitis pigmentosa. In the 1960s four people have had it and at least nine were carriers. This is an example of ...

    • A.

      ... mutation

    • B.

      ... natural selection

    • C.

      ... genetic drift

    • D.

      ... all of the above

    Correct Answer
    C. ... genetic drift
    Explanation
    This scenario is an example of genetic drift. Genetic drift refers to the random changes in gene frequencies in a population over time, due to chance events rather than natural selection. In this case, the rare recessive mutation for retinitis pigmentosa was carried by one individual who was not affected by it. Over time, the frequency of this mutation increased in the population through random chance events, rather than being influenced by natural selection.

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  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 19, 2010
    Quiz Created by
    Horduringi
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