When Are the Three Primary Germ Layers Established During Pregnancy

question 7

Multiple Choice

When are the three primary germ layers established during pregnancy?

• A)First week of development
• B)Second week of development
• C)Third week of development
• D)Fourth week of development
• E)Second month of development

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Definitions:

Neuroplasticity

The malleability of the human brain, its capacity to change and grow especially in response to new environmental input. Includes the capacity of neurons to shift functions to compensate for damage to other cells or because they have been transplanted to a different part of the brain.

Hippocampus

A region of the brain associated with memory formation, spatial navigation, and the processing of emotional responses.

Auditory Cortex

The region of the brain that is primarily involved in processing sound and auditory information.

Cross-fostering Study

is a research method used in behavioral studies where offspring are raised by caregivers not of their own species or genotype to explore environmental influences.