The Observation That Island D

question 31

Multiple Choice

The observation that island D.yakuba are more closely related to mainland D.yakuba than island D.yakuba are to D.santomea is best explained by proposing that D.santomea

• A)descended from a now-extinct non-African fruit fly.
• B)arrived on the island before D.yakuba.
• C)descended from a single colony of D.yakuba,which had been introduced from elsewhere,with no subsequent colonization events.
• D)descended from an original colony of D.yakuba,of which there are no surviving members.

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Definitions:

A-not-B Error

A cognitive mistake made by infants during the sensorimotor stage where they repeatedly reach for a hidden object at a location where it was last found (A) rather than its new location (B).

Motor Perseveration

The repetition of a particular movement or action despite the absence or cessation of the stimulus or intention that originally triggered it.

Infant

A very young child or baby, typically from birth to one year of age, during which rapid physical and cognitive development occurs.

Baillargeon

A researcher known for pioneering studies in the cognitive development of infants, particularly around object permanence.