Which Event Occurs First During Embryonic Development

question 2

Multiple Choice

Which event occurs first during embryonic development?

• A) gastrulation
• B) neurulation
• C) cleavage
• D) organ formation

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Definitions:

Infant

An infant refers to a young child in the earliest period of life, particularly from birth to one year of age, characterized by rapid physical growth and cognitive development.

Middle-aged

A period in adult life roughly between the ages of 40 and 65, often considered a time of stability, but sometimes associated with a midlife crisis.

Elderly

Pertaining to individuals in the later stages of life, often defined as ages 65 and older, characterized by increased vulnerability to health problems.

Activation-synthesis Hypothesis

A theory suggesting that dreams result from the brain's attempts to make sense of random neural activity that occurs during sleep, specifically during the REM phase.