[Campbell Biology P.1205] Based on the garter snake study, which statement accurately reflect... | Practice Question

Based on the garter snake study, which statement accurately reflects the findings regarding offspring feeding behavior?

  • A: Coastal offspring rarely ate banana slugs, indicating environmental influence.
  • B: Inland offspring frequently ate banana slugs, showing environmental adaptation.
  • C: Over 60% of coastal offspring ate banana slugs frequently, supporting a genetic preference.
  • D: The study concluded that environment, not genetics, was the primary factor in slug preference.

Explanation

The garter snake study demonstrated a strong genetic component to feeding preference. Over 60% of offspring from coastal mothers, whose ancestors would have encountered banana slugs, readily ate them, while less than 20% of inland offspring did. This suggests that the taste for banana slugs is largely genetically acquired.