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The Basics of Natural Selection

Quiz by Made Easy Academy

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10 questions
Show answers
  • Q1
    What does natural selection primarily act upon in a population?
    Random chance
    Genetic mutations
    Environmental factors
    Phenotypic traits
    30s
  • Q2
    Which of the following best describes the concept of 'survival of the fittest' in natural selection?
    Survival is solely based on luck
    All individuals have an equal chance of survival
    Only the largest organisms survive
    The organisms that are best adapted to their environment tend to survive and reproduce
    30s
  • Q3
    What is a key mechanism of evolution that is a result of natural selection?
    Uniform distribution of traits
    Random mating of organisms
    Immediate genetic modification
    Increasing frequency of beneficial alleles
    30s
  • Q4
    Which of the following is NOT a requirement for natural selection to occur?
    Random mutations
    Variation in traits
    Differential survival and reproduction
    Heritability of traits
    30s
  • Q5
    How does natural selection contribute to the process of speciation?
    By randomly eliminating individuals
    By ensuring that all traits are equally distributed
    By promoting adaptations that lead to reproductive isolation
    By forcing all species to adapt to the same environment
    30s
  • Q6
    What role does genetic variation play in natural selection?
    It eliminates the need for adaptation
    It slows down the process of evolution
    It ensures all individuals are identical
    It provides the raw material for evolution
    30s
  • Q7
    Which statement best summarizes the concept of adaptation in the context of natural selection?
    Adaptation is unrelated to natural selection
    Adaptation is the process by which a species becomes better suited to its environment over time
    All members of a species must adapt simultaneously
    Adaptation occurs instantly in response to environmental changes
    30s
  • Q8
    What is the primary outcome of natural selection on a population over time?
    Evolution of the population
    Uniformity of traits across different populations
    Stability of traits within the population
    Complete extinction of the population
    30s
  • Q9
    In the context of natural selection, what does 'fitness' refer to?
    Physical strength and size
    The lifespan of the organism
    The amount of food an organism consumes
    The ability to survive and reproduce in a given environment
    30s
  • Q10
    Which of the following scenarios best exemplifies natural selection in action?
    A sudden change in climate affects all individuals equally
    A population of insects develops resistance to a pesticide over several generations
    A disease wipes out an entire population randomly
    All individuals in a population reproduce at the same rate
    30s

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