A Four-Month Old Is Gazing at a Toy

question 65

Multiple Choice

A four-month old is gazing at a toy. When you hide the toy behind your back, the infant acts as though the toy never existed. The four-month old has yet to grasp which of the following concepts?

• A) accommodation
• B) assimilation
• C) canalization
• D) object permanence

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Definitions:

Founder Effects

A genetic phenomenon that occurs when a new population is established by a very small number of individuals from a larger population, leading to a reduction in genetic variation and a potentially different genetic structure compared to the original population.

Allele Frequencies

The proportion or prevalence of different alleles (versions of a gene) in a particular population, which can change over time due to evolutionary pressures.

Blood Stains

Evidence in the form of blood marks left on surfaces, which can be analyzed in forensic science to help reconstruct events at a crime scene.

Cut Marks

Physical evidence on bones that indicates the use of tools by humans or other species to process carcasses.