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MMLU / Unlike large populations, small populations are vulnerable to various processes…

Problem

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question

Unlike large populations, small populations are vulnerable to various processes that draw populations down an extinction vortex toward smaller and smaller populations until no individuals survive. Which of the following statements correctly identifies the factors that endanger a population?

choices

  1. Inbreeding and loss of genetic variation threaten a population.
  2. Migration of new individuals into the population threatens a population.
  3. Mutation reduces the health of a population.
  4. Breeding with individuals from a different population may cause the extinction of the first population due to a decrease in diversity.

subject

high_school_biology

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