D4.1 Natural selection

D4.1 Natural selection Quiz

IB Biology SL: Quiz

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5 questions, one answer each

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  1. 1. What generates new alleles?

    • A. Crossing over
    • B. Mutation
    • C. Random fertilisation
    • D. Independent assortment
  2. 2. Darwin's theory replacing Lamarckism is an example of:

    • A. A paradigm shift
    • B. Sexual selection
    • C. Artificial selection
    • D. A density-independent factor
  3. 3. A bodybuilder develops large muscles. Why will this not be passed to their children?

    • A. Muscles are not made of protein
    • B. It is an acquired characteristic not encoded in genes
    • C. Only mutations in muscle cells are inherited
    • D. It is a density-dependent factor
  4. 4. Which best defines fitness?

    • A. Physical strength
    • B. Survival value and reproductive potential of a genotype
    • C. Length of life only
    • D. Number of mutations carried
  5. 5. In Endler's experiments, what happened to male spot number with a strong predator?

    • A. It increased
    • B. It stayed the same
    • C. It decreased
    • D. It became zero

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